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Finding the Fourth Proportional to 8,704.26, 12,003.72 and 6,711.66

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Solution

The fourth proportional to 8,704.26, 12,003.72 and 6,711.66 is: 9,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.26 : 12,003.72 = 6,711.66 : x
  2. Step 2: Convert to fraction form
    8,704.26/12,003.72 = 6,711.66/x
  3. Step 3: Cross multiply
    8,704.26x = 12,003.72 × 6,711.66
  4. Step 4: Simplify right side
    8,704.26x = 80,564,887.38
  5. Step 5: Solve for x
    x = 80,564,887.38/8,704.26
  6. Step 6: Final answer
    x = 9,255.80

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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.