Home / 11,432.48-17,149.03-3,112.57

Finding the Fourth Proportional to 11,432.48, 17,149.03 and 3,112.57

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Solution

The fourth proportional to 11,432.48, 17,149.03 and 3,112.57 is: 4,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.48 : 17,149.03 = 3,112.57 : x
  2. Step 2: Convert to fraction form
    11,432.48/17,149.03 = 3,112.57/x
  3. Step 3: Cross multiply
    11,432.48x = 17,149.03 × 3,112.57
  4. Step 4: Simplify right side
    11,432.48x = 53,377,505.65
  5. Step 5: Solve for x
    x = 53,377,505.65/11,432.48
  6. Step 6: Final answer
    x = 4,668.93

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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.