Home / 12,237.62-18,359.46-3,472.61

Finding the Fourth Proportional to 12,237.62, 18,359.46 and 3,472.61

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Solution

The fourth proportional to 12,237.62, 18,359.46 and 3,472.61 is: 5,209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.62 : 18,359.46 = 3,472.61 : x
  2. Step 2: Convert to fraction form
    12,237.62/18,359.46 = 3,472.61/x
  3. Step 3: Cross multiply
    12,237.62x = 18,359.46 × 3,472.61
  4. Step 4: Simplify right side
    12,237.62x = 63,755,152.59
  5. Step 5: Solve for x
    x = 63,755,152.59/12,237.62
  6. Step 6: Final answer
    x = 5,209.77

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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.