2006-10-03 00:23:06 · 2 answers · asked by II II IIIII IIII III 3 in Science & Mathematics ➔ Mathematics
Ratio
Ratio is a comparison of rtwo numbers
3 : 4 Means 3 is to 4
the 3 and 4 are seperated by a colon ( : )
Ratio can be represented by a fraction 3 / 4
The meaning is 3 is to 4
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Proportion
are two ratio seperated by a equal sign ( = )
3/4 = n/8
Multiplying the means and extremes
The means are 4n
The extremes are 3(8)
4n = 24
4n/4 = 24/4
Dividing both sides of the equation by 4
n = 6
2006-10-03 03:24:30 · answer #1 · answered by SAMUEL D 7 · 1⤊ 0⤋
all i can give you are examples to try to make you understand
ratio a car running down the road has a 4:11 gear ratio this means the wheels rotate 4 times every time the engine turns 11.
proportionate ratio 10:1 you have a semi and a volkswagon the semi is 10 times the size of the volkswagon.
2006-10-03 00:40:21 · answer #2 · answered by Anonymous · 0⤊ 0⤋