document.write( "Question 182895: Please help me solve the following problem:\r
\n" ); document.write( "\n" ); document.write( "Find the missing length in the similar triangles.\r
\n" ); document.write( "\n" ); document.write( "1 triangles has sides of 3,5,4 and the other is 15, 12, x.\r
\n" ); document.write( "\n" ); document.write( "How do you come up with a formula for x and how do you solve it.\r
\n" ); document.write( "\n" ); document.write( "Thank you.
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Algebra.Com's Answer #137484 by ckelly2012(1)\"\" \"About 
You can put this solution on YOUR website!
x=9\r
\n" ); document.write( "\n" ); document.write( "you solve by using a scale factor of 1/3\r
\n" ); document.write( "\n" ); document.write( "15 to 5= 1/3
\n" ); document.write( "12 to 4= 1/3
\n" ); document.write( "9 to 3= 1/3
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