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Finding the Fourth Proportional to 10,883.40, 15,019.02 and 6,167.68

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Solution

The fourth proportional to 10,883.40, 15,019.02 and 6,167.68 is: 8,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.40 : 15,019.02 = 6,167.68 : x
  2. Step 2: Convert to fraction form
    10,883.40/15,019.02 = 6,167.68/x
  3. Step 3: Cross multiply
    10,883.40x = 15,019.02 × 6,167.68
  4. Step 4: Simplify right side
    10,883.40x = 92,632,471.73
  5. Step 5: Solve for x
    x = 92,632,471.73/10,883.40
  6. Step 6: Final answer
    x = 8,511.36

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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.