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Finding the Fourth Proportional to 8,173.98, 12,265.20 and 3,794.58

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Solution

The fourth proportional to 8,173.98, 12,265.20 and 3,794.58 is: 5,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.98 : 12,265.20 = 3,794.58 : x
  2. Step 2: Convert to fraction form
    8,173.98/12,265.20 = 3,794.58/x
  3. Step 3: Cross multiply
    8,173.98x = 12,265.20 × 3,794.58
  4. Step 4: Simplify right side
    8,173.98x = 46,541,282.62
  5. Step 5: Solve for x
    x = 46,541,282.62/8,173.98
  6. Step 6: Final answer
    x = 5,693.83

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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.