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Finding the Fourth Proportional to 8,474.26, 12,650.55 and 7,367.09

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Solution

The fourth proportional to 8,474.26, 12,650.55 and 7,367.09 is: 10,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.26 : 12,650.55 = 7,367.09 : x
  2. Step 2: Convert to fraction form
    8,474.26/12,650.55 = 7,367.09/x
  3. Step 3: Cross multiply
    8,474.26x = 12,650.55 × 7,367.09
  4. Step 4: Simplify right side
    8,474.26x = 93,197,740.40
  5. Step 5: Solve for x
    x = 93,197,740.40/8,474.26
  6. Step 6: Final answer
    x = 10,997.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.