Home / 11,418.29-17,129.73-4,027.99

Finding the Fourth Proportional to 11,418.29, 17,129.73 and 4,027.99

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Solution

The fourth proportional to 11,418.29, 17,129.73 and 4,027.99 is: 6,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.29 : 17,129.73 = 4,027.99 : x
  2. Step 2: Convert to fraction form
    11,418.29/17,129.73 = 4,027.99/x
  3. Step 3: Cross multiply
    11,418.29x = 17,129.73 × 4,027.99
  4. Step 4: Simplify right side
    11,418.29x = 68,998,295.49
  5. Step 5: Solve for x
    x = 68,998,295.49/11,418.29
  6. Step 6: Final answer
    x = 6,042.79

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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.