Home / 11,469.26-17,160.42-6,791.78

Finding the Fourth Proportional to 11,469.26, 17,160.42 and 6,791.78

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Solution

The fourth proportional to 11,469.26, 17,160.42 and 6,791.78 is: 10,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.26 : 17,160.42 = 6,791.78 : x
  2. Step 2: Convert to fraction form
    11,469.26/17,160.42 = 6,791.78/x
  3. Step 3: Cross multiply
    11,469.26x = 17,160.42 × 6,791.78
  4. Step 4: Simplify right side
    11,469.26x = 116,549,865.72
  5. Step 5: Solve for x
    x = 116,549,865.72/11,469.26
  6. Step 6: Final answer
    x = 10,161.93

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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.