Home / 11,679.66-17,521.11-3,360.15

Finding the Fourth Proportional to 11,679.66, 17,521.11 and 3,360.15

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Solution

The fourth proportional to 11,679.66, 17,521.11 and 3,360.15 is: 5,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.66 : 17,521.11 = 3,360.15 : x
  2. Step 2: Convert to fraction form
    11,679.66/17,521.11 = 3,360.15/x
  3. Step 3: Cross multiply
    11,679.66x = 17,521.11 × 3,360.15
  4. Step 4: Simplify right side
    11,679.66x = 58,873,557.77
  5. Step 5: Solve for x
    x = 58,873,557.77/11,679.66
  6. Step 6: Final answer
    x = 5,040.69

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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.