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Finding the Fourth Proportional to 8,312.01, 11,470.12 and 4,726.91

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Solution

The fourth proportional to 8,312.01, 11,470.12 and 4,726.91 is: 6,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.01 : 11,470.12 = 4,726.91 : x
  2. Step 2: Convert to fraction form
    8,312.01/11,470.12 = 4,726.91/x
  3. Step 3: Cross multiply
    8,312.01x = 11,470.12 × 4,726.91
  4. Step 4: Simplify right side
    8,312.01x = 54,218,155.76
  5. Step 5: Solve for x
    x = 54,218,155.76/8,312.01
  6. Step 6: Final answer
    x = 6,522.87

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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.