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Finding the Fourth Proportional to 8,660.13, 11,950.97 and 4,934.13

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Solution

The fourth proportional to 8,660.13, 11,950.97 and 4,934.13 is: 6,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.13 : 11,950.97 = 4,934.13 : x
  2. Step 2: Convert to fraction form
    8,660.13/11,950.97 = 4,934.13/x
  3. Step 3: Cross multiply
    8,660.13x = 11,950.97 × 4,934.13
  4. Step 4: Simplify right side
    8,660.13x = 58,967,639.61
  5. Step 5: Solve for x
    x = 58,967,639.61/8,660.13
  6. Step 6: Final answer
    x = 6,809.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.