#"4parts "to" 12 pears"#
#rArr"1 part "to12/4=color(red)(3)#
Calculate one part of the ratio and then mutiply.
Calculate what one part of the ratio equals. 4 parts equals 12 so therefore 1 part would equal 3.
Peaches : Grapefruit : Pears
3 :1 :4
We know what one part equals so we can substitute in.
(3×3) :(1×3) :(4×3)
9 :3 :12
Looking at this we can see there are 9 peaches and 3 grapefruits.
Hope this has helped.
In this case we have the simplified ratio of
But we want to know the actual numbers of the fruit.
There are 12 pears.
so now multiply the other parts of the ratio by
We have a fixed ratio of peaches, to grapefruit, to pears as
It looks like:
We are also given that there is a quantity of
Then to find the quantity of each fruit we need to multiply the entire ratio by
The quantity of each fruit is then:
Now we need some apples.