3
5

and
6
12

3
5

=
6
12

3
5
= 0.60

6
12
= 0.5

The cross products for
3
5

and
6
12
are

36 is not equal to 30. Therefore,
3
5

and
6
12
do not form a proportion

Another example: Do
10
16

and
5
8
form a proportion ?

If
a
b

=
c
d
is a proportion

3
5

and
6
12

3
5

=
6
12

3
5
= 0.60

6
12
= 0.5

The cross products for
3
5

and
6
12
are

3
5

and
6
12
do not form a proportion

Do
10
16

and
5
8
form a proportion ?

If
a
b

=
c
d
is a proportion

Sep 01, 18 04:07 PM
These heart of algebra questions will help you prepare to take the math portion of the SAT
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Sep 01, 18 04:07 PM
These heart of algebra questions will help you prepare to take the math portion of the SAT
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