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Finding the Fourth Proportional to 11,202.36, 16,793.94 and 8,074.68

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Solution

The fourth proportional to 11,202.36, 16,793.94 and 8,074.68 is: 12,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.36 : 16,793.94 = 8,074.68 : x
  2. Step 2: Convert to fraction form
    11,202.36/16,793.94 = 8,074.68/x
  3. Step 3: Cross multiply
    11,202.36x = 16,793.94 × 8,074.68
  4. Step 4: Simplify right side
    11,202.36x = 135,605,691.44
  5. Step 5: Solve for x
    x = 135,605,691.44/11,202.36
  6. Step 6: Final answer
    x = 12,105.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.