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McGraw Hill Glencoe Geometry, 2012

MH

McGraw Hill Glencoe Geometry, 2012 View details

Study Guide and Review

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Exercise 12 Page 525

Solve for the variable by using cross products.

4.5

Practice makes perfect

To solve the proportion, we will start by using cross products. Then, we will continue solving for x by using the Properties of Equality.

7/x=14/9

Cross multiply

63=14x

.LHS /14.=.RHS /14.

63/14=x

a/b=.a /7./.b /7.

9/2=x

Calculate quotient

4.5=x

Rearrange equation

x=4.5

Subchapter links

Exercises p.524-528