Finding the Fourth Proportional to 8,588.30, 12,948.65 and 8,534.99
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Solution
The fourth proportional to 8,588.30, 12,948.65 and 8,534.99 is: 12,868.28
Step by Step Solution
- Step 1: Write the proportion equation
8,588.30 : 12,948.65 = 8,534.99 : x - Step 2: Convert to fraction form
8,588.30/12,948.65 = 8,534.99/x - Step 3: Cross multiply
8,588.30x = 12,948.65 × 8,534.99 - Step 4: Simplify right side
8,588.30x = 110,516,571.13 - Step 5: Solve for x
x = 110,516,571.13/8,588.30 - Step 6: Final answer
x = 12,868.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.