Home / 11,408.06-17,102.09-5,481.99

Finding the Fourth Proportional to 11,408.06, 17,102.09 and 5,481.99

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Solution

The fourth proportional to 11,408.06, 17,102.09 and 5,481.99 is: 8,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.06 : 17,102.09 = 5,481.99 : x
  2. Step 2: Convert to fraction form
    11,408.06/17,102.09 = 5,481.99/x
  3. Step 3: Cross multiply
    11,408.06x = 17,102.09 × 5,481.99
  4. Step 4: Simplify right side
    11,408.06x = 93,753,458.95
  5. Step 5: Solve for x
    x = 93,753,458.95/11,408.06
  6. Step 6: Final answer
    x = 8,218.18

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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.