Finding the Fourth Proportional to 8,652.20, 11,946.34 and 6,759.08
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Solution
The fourth proportional to 8,652.20, 11,946.34 and 6,759.08 is: 9,332.46
Step by Step Solution
- Step 1: Write the proportion equation
8,652.20 : 11,946.34 = 6,759.08 : x - Step 2: Convert to fraction form
8,652.20/11,946.34 = 6,759.08/x - Step 3: Cross multiply
8,652.20x = 11,946.34 × 6,759.08 - Step 4: Simplify right side
8,652.20x = 80,746,267.77 - Step 5: Solve for x
x = 80,746,267.77/8,652.20 - Step 6: Final answer
x = 9,332.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.