Home / 8,227.20-12,332.16-5,917.44

Finding the Fourth Proportional to 8,227.20, 12,332.16 and 5,917.44

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Solution

The fourth proportional to 8,227.20, 12,332.16 and 5,917.44 is: 8,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.20 : 12,332.16 = 5,917.44 : x
  2. Step 2: Convert to fraction form
    8,227.20/12,332.16 = 5,917.44/x
  3. Step 3: Cross multiply
    8,227.20x = 12,332.16 × 5,917.44
  4. Step 4: Simplify right side
    8,227.20x = 72,974,816.87
  5. Step 5: Solve for x
    x = 72,974,816.87/8,227.20
  6. Step 6: Final answer
    x = 8,869.95

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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.