Home / 11,767.74-17,651.37-4,747.61

Finding the Fourth Proportional to 11,767.74, 17,651.37 and 4,747.61

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Solution

The fourth proportional to 11,767.74, 17,651.37 and 4,747.61 is: 7,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.74 : 17,651.37 = 4,747.61 : x
  2. Step 2: Convert to fraction form
    11,767.74/17,651.37 = 4,747.61/x
  3. Step 3: Cross multiply
    11,767.74x = 17,651.37 × 4,747.61
  4. Step 4: Simplify right side
    11,767.74x = 83,801,732.47
  5. Step 5: Solve for x
    x = 83,801,732.47/11,767.74
  6. Step 6: Final answer
    x = 7,121.31

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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.