Home / 11,372.24-17,029.86-7,199.66

Finding the Fourth Proportional to 11,372.24, 17,029.86 and 7,199.66

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Solution

The fourth proportional to 11,372.24, 17,029.86 and 7,199.66 is: 10,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.24 : 17,029.86 = 7,199.66 : x
  2. Step 2: Convert to fraction form
    11,372.24/17,029.86 = 7,199.66/x
  3. Step 3: Cross multiply
    11,372.24x = 17,029.86 × 7,199.66
  4. Step 4: Simplify right side
    11,372.24x = 122,609,201.85
  5. Step 5: Solve for x
    x = 122,609,201.85/11,372.24
  6. Step 6: Final answer
    x = 10,781.45

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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.