SOLUTION: What is x? 5/6 = 12/x Thank you!

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Question 1140708: What is x?
5/6 = 12/x
Thank you!

Found 3 solutions by MathLover1, Alan3354, ikleyn:
Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!

...cross multiply



or

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
What is x?
5/6 = 12/x
Thank you!
---------
5/6 = 12/x
Multiply by x
5x/6 = 12
Multiply by 6
5x = 72
Divide by 5
x = 72/5
==================
Or, use the "shortcut," cross multiply.
5x = 72
x = 72/5

Answer by ikleyn(52778)   (Show Source): You can put this solution on YOUR website!
.

It is about PROPORTIONS.

On proportions,  see the lessons
    - Proportions
    - Using proportions to solve word problems
    - Using proportions to solve word problems in Physics
    - Using proportions to solve Chemistry problems
    - Typical problems on proportions
    - Using proportions to estimate the number of fish in a lake
    - HOW TO algebreze and solve these problems using proportions
    - OVERVIEW of lessons on proportions
in this site.

These lessons were written specially for you.

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