Home / 8,411.28-11,606.88-4,874.71

Finding the Fourth Proportional to 8,411.28, 11,606.88 and 4,874.71

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Solution

The fourth proportional to 8,411.28, 11,606.88 and 4,874.71 is: 6,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.28 : 11,606.88 = 4,874.71 : x
  2. Step 2: Convert to fraction form
    8,411.28/11,606.88 = 4,874.71/x
  3. Step 3: Cross multiply
    8,411.28x = 11,606.88 × 4,874.71
  4. Step 4: Simplify right side
    8,411.28x = 56,580,174.00
  5. Step 5: Solve for x
    x = 56,580,174.00/8,411.28
  6. Step 6: Final answer
    x = 6,726.70

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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.