Home / 8,629.26-12,951.17-4,471.80

Finding the Fourth Proportional to 8,629.26, 12,951.17 and 4,471.80

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Solution

The fourth proportional to 8,629.26, 12,951.17 and 4,471.80 is: 6,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.26 : 12,951.17 = 4,471.80 : x
  2. Step 2: Convert to fraction form
    8,629.26/12,951.17 = 4,471.80/x
  3. Step 3: Cross multiply
    8,629.26x = 12,951.17 × 4,471.80
  4. Step 4: Simplify right side
    8,629.26x = 57,915,042.01
  5. Step 5: Solve for x
    x = 57,915,042.01/8,629.26
  6. Step 6: Final answer
    x = 6,711.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.