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Finding the Fourth Proportional to 8,599.91, 11,867.11 and 5,243.74

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Solution

The fourth proportional to 8,599.91, 11,867.11 and 5,243.74 is: 7,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.91 : 11,867.11 = 5,243.74 : x
  2. Step 2: Convert to fraction form
    8,599.91/11,867.11 = 5,243.74/x
  3. Step 3: Cross multiply
    8,599.91x = 11,867.11 × 5,243.74
  4. Step 4: Simplify right side
    8,599.91x = 62,227,996.61
  5. Step 5: Solve for x
    x = 62,227,996.61/8,599.91
  6. Step 6: Final answer
    x = 7,235.89

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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.