Home / 8,132.91-12,197.94-2,288.13

Finding the Fourth Proportional to 8,132.91, 12,197.94 and 2,288.13

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Solution

The fourth proportional to 8,132.91, 12,197.94 and 2,288.13 is: 3,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.91 : 12,197.94 = 2,288.13 : x
  2. Step 2: Convert to fraction form
    8,132.91/12,197.94 = 2,288.13/x
  3. Step 3: Cross multiply
    8,132.91x = 12,197.94 × 2,288.13
  4. Step 4: Simplify right side
    8,132.91x = 27,910,472.45
  5. Step 5: Solve for x
    x = 27,910,472.45/8,132.91
  6. Step 6: Final answer
    x = 3,431.79

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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.