Home / 11,816.82-17,726.22-3,051.90

Finding the Fourth Proportional to 11,816.82, 17,726.22 and 3,051.90

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Solution

The fourth proportional to 11,816.82, 17,726.22 and 3,051.90 is: 4,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.82 : 17,726.22 = 3,051.90 : x
  2. Step 2: Convert to fraction form
    11,816.82/17,726.22 = 3,051.90/x
  3. Step 3: Cross multiply
    11,816.82x = 17,726.22 × 3,051.90
  4. Step 4: Simplify right side
    11,816.82x = 54,098,650.82
  5. Step 5: Solve for x
    x = 54,098,650.82/11,816.82
  6. Step 6: Final answer
    x = 4,578.11

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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.