Home / 11,981.29-17,974.10-4,083.37

Finding the Fourth Proportional to 11,981.29, 17,974.10 and 4,083.37

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Solution

The fourth proportional to 11,981.29, 17,974.10 and 4,083.37 is: 6,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.29 : 17,974.10 = 4,083.37 : x
  2. Step 2: Convert to fraction form
    11,981.29/17,974.10 = 4,083.37/x
  3. Step 3: Cross multiply
    11,981.29x = 17,974.10 × 4,083.37
  4. Step 4: Simplify right side
    11,981.29x = 73,394,900.72
  5. Step 5: Solve for x
    x = 73,394,900.72/11,981.29
  6. Step 6: Final answer
    x = 6,125.79

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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.