Home / 11,400.95-17,101.22-3,609.78

Finding the Fourth Proportional to 11,400.95, 17,101.22 and 3,609.78

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Solution

The fourth proportional to 11,400.95, 17,101.22 and 3,609.78 is: 5,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.95 : 17,101.22 = 3,609.78 : x
  2. Step 2: Convert to fraction form
    11,400.95/17,101.22 = 3,609.78/x
  3. Step 3: Cross multiply
    11,400.95x = 17,101.22 × 3,609.78
  4. Step 4: Simplify right side
    11,400.95x = 61,731,623.88
  5. Step 5: Solve for x
    x = 61,731,623.88/11,400.95
  6. Step 6: Final answer
    x = 5,414.61

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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.