Home / 11,342.25-17,018.03-5,013.78

Finding the Fourth Proportional to 11,342.25, 17,018.03 and 5,013.78

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Solution

The fourth proportional to 11,342.25, 17,018.03 and 5,013.78 is: 7,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.25 : 17,018.03 = 5,013.78 : x
  2. Step 2: Convert to fraction form
    11,342.25/17,018.03 = 5,013.78/x
  3. Step 3: Cross multiply
    11,342.25x = 17,018.03 × 5,013.78
  4. Step 4: Simplify right side
    11,342.25x = 85,324,658.45
  5. Step 5: Solve for x
    x = 85,324,658.45/11,342.25
  6. Step 6: Final answer
    x = 7,522.73

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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.