From 6.1......
Cross Products Property (Cross Multiplying)
In lesson 6.1, you learned to use the Cross Products Property to
write equations that are equivalent to a given proportion. Two more
ways to do this are given by the properties below.
example 1
In the diagram
. Write 3 true proportions.
example 2
a.
b.
example 3
a.
b.
example 4
example 5
example 6
example 7