SOLUTION: the ratio of the length of a side of one square to that of another square is 3:4. A side of the smaller square is 9 cm. Find the length of a side of the larger square?

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Question 687894: the ratio of the length of a side of one square to that of another square is 3:4. A side of the smaller square is 9 cm. Find the length of a side of the larger square?
Answer by fcabanski(1391)   (Show Source): You can put this solution on YOUR website!
The sides must be in the same ratio, so set up an equation (proportion) of small/large.


3/4 = 9/x (cross multiply) 3x = 36 ---> x = 12

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