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Finding the Fourth Proportional to 10,003.54, 13,794.54 and 8,591.92

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Solution

The fourth proportional to 10,003.54, 13,794.54 and 8,591.92 is: 11,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.54 : 13,794.54 = 8,591.92 : x
  2. Step 2: Convert to fraction form
    10,003.54/13,794.54 = 8,591.92/x
  3. Step 3: Cross multiply
    10,003.54x = 13,794.54 × 8,591.92
  4. Step 4: Simplify right side
    10,003.54x = 118,521,584.12
  5. Step 5: Solve for x
    x = 118,521,584.12/10,003.54
  6. Step 6: Final answer
    x = 11,847.96

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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.