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Finding the Fourth Proportional to 10,792.15, 16,183.97 and 5,243.85

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Solution

The fourth proportional to 10,792.15, 16,183.97 and 5,243.85 is: 7,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.15 : 16,183.97 = 5,243.85 : x
  2. Step 2: Convert to fraction form
    10,792.15/16,183.97 = 5,243.85/x
  3. Step 3: Cross multiply
    10,792.15x = 16,183.97 × 5,243.85
  4. Step 4: Simplify right side
    10,792.15x = 84,866,311.08
  5. Step 5: Solve for x
    x = 84,866,311.08/10,792.15
  6. Step 6: Final answer
    x = 7,863.71

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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.