Home / 11,270.38-16,906.49-3,874.85

Finding the Fourth Proportional to 11,270.38, 16,906.49 and 3,874.85

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Solution

The fourth proportional to 11,270.38, 16,906.49 and 3,874.85 is: 5,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.38 : 16,906.49 = 3,874.85 : x
  2. Step 2: Convert to fraction form
    11,270.38/16,906.49 = 3,874.85/x
  3. Step 3: Cross multiply
    11,270.38x = 16,906.49 × 3,874.85
  4. Step 4: Simplify right side
    11,270.38x = 65,510,112.78
  5. Step 5: Solve for x
    x = 65,510,112.78/11,270.38
  6. Step 6: Final answer
    x = 5,812.59

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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.