McGraw Hill Integrated II, 2012
MH
McGraw Hill Integrated II, 2012 View details
3. Similar Triangles
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Exercise 49 Page 569

You can solve for the variable by using the Cross Products Property.

x=12

Practice makes perfect
To solve the proportion, we will start by using the Cross Products Property.
3/4=x/16
3(16)=4x
48=4x
From here, we will continue solving for x by using the Division Property of Equality.
48=4x
12=x
x=12