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Finding the Fourth Proportional to 8,291.52, 11,447.81 and 6,373.94

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Solution

The fourth proportional to 8,291.52, 11,447.81 and 6,373.94 is: 8,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.52 : 11,447.81 = 6,373.94 : x
  2. Step 2: Convert to fraction form
    8,291.52/11,447.81 = 6,373.94/x
  3. Step 3: Cross multiply
    8,291.52x = 11,447.81 × 6,373.94
  4. Step 4: Simplify right side
    8,291.52x = 72,967,654.07
  5. Step 5: Solve for x
    x = 72,967,654.07/8,291.52
  6. Step 6: Final answer
    x = 8,800.27

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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.