Home / 12,470.04-18,701.86-3,702.92

Finding the Fourth Proportional to 12,470.04, 18,701.86 and 3,702.92

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Solution

The fourth proportional to 12,470.04, 18,701.86 and 3,702.92 is: 5,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.04 : 18,701.86 = 3,702.92 : x
  2. Step 2: Convert to fraction form
    12,470.04/18,701.86 = 3,702.92/x
  3. Step 3: Cross multiply
    12,470.04x = 18,701.86 × 3,702.92
  4. Step 4: Simplify right side
    12,470.04x = 69,251,491.43
  5. Step 5: Solve for x
    x = 69,251,491.43/12,470.04
  6. Step 6: Final answer
    x = 5,553.43

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1.5x scale

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.