Home / 8,243.53-12,344.78-5,766.75

Finding the Fourth Proportional to 8,243.53, 12,344.78 and 5,766.75

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Solution

The fourth proportional to 8,243.53, 12,344.78 and 5,766.75 is: 8,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.53 : 12,344.78 = 5,766.75 : x
  2. Step 2: Convert to fraction form
    8,243.53/12,344.78 = 5,766.75/x
  3. Step 3: Cross multiply
    8,243.53x = 12,344.78 × 5,766.75
  4. Step 4: Simplify right side
    8,243.53x = 71,189,309.20
  5. Step 5: Solve for x
    x = 71,189,309.20/8,243.53
  6. Step 6: Final answer
    x = 8,635.78

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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.