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Finding the Fourth Proportional to 8,713.83, 12,026.11 and 5,177.04

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Solution

The fourth proportional to 8,713.83, 12,026.11 and 5,177.04 is: 7,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.83 : 12,026.11 = 5,177.04 : x
  2. Step 2: Convert to fraction form
    8,713.83/12,026.11 = 5,177.04/x
  3. Step 3: Cross multiply
    8,713.83x = 12,026.11 × 5,177.04
  4. Step 4: Simplify right side
    8,713.83x = 62,259,630.72
  5. Step 5: Solve for x
    x = 62,259,630.72/8,713.83
  6. Step 6: Final answer
    x = 7,144.92

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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.