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Finding the Fourth Proportional to 8,099.74, 12,149.73 and 2,834.56

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Solution

The fourth proportional to 8,099.74, 12,149.73 and 2,834.56 is: 4,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.74 : 12,149.73 = 2,834.56 : x
  2. Step 2: Convert to fraction form
    8,099.74/12,149.73 = 2,834.56/x
  3. Step 3: Cross multiply
    8,099.74x = 12,149.73 × 2,834.56
  4. Step 4: Simplify right side
    8,099.74x = 34,439,138.67
  5. Step 5: Solve for x
    x = 34,439,138.67/8,099.74
  6. Step 6: Final answer
    x = 4,251.88

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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.