Home / 11,933.78-17,902.59-4,144.82

Finding the Fourth Proportional to 11,933.78, 17,902.59 and 4,144.82

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Solution

The fourth proportional to 11,933.78, 17,902.59 and 4,144.82 is: 6,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.78 : 17,902.59 = 4,144.82 : x
  2. Step 2: Convert to fraction form
    11,933.78/17,902.59 = 4,144.82/x
  3. Step 3: Cross multiply
    11,933.78x = 17,902.59 × 4,144.82
  4. Step 4: Simplify right side
    11,933.78x = 74,203,013.08
  5. Step 5: Solve for x
    x = 74,203,013.08/11,933.78
  6. Step 6: Final answer
    x = 6,217.90

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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.