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Finding the Fourth Proportional to 10,866.60, 14,996.12 and 6,150.88

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Solution

The fourth proportional to 10,866.60, 14,996.12 and 6,150.88 is: 8,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.60 : 14,996.12 = 6,150.88 : x
  2. Step 2: Convert to fraction form
    10,866.60/14,996.12 = 6,150.88/x
  3. Step 3: Cross multiply
    10,866.60x = 14,996.12 × 6,150.88
  4. Step 4: Simplify right side
    10,866.60x = 92,239,334.59
  5. Step 5: Solve for x
    x = 92,239,334.59/10,866.60
  6. Step 6: Final answer
    x = 8,488.33

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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.