Home / 11,974.82-17,960.18-3,207.68

Finding the Fourth Proportional to 11,974.82, 17,960.18 and 3,207.68

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Solution

The fourth proportional to 11,974.82, 17,960.18 and 3,207.68 is: 4,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.82 : 17,960.18 = 3,207.68 : x
  2. Step 2: Convert to fraction form
    11,974.82/17,960.18 = 3,207.68/x
  3. Step 3: Cross multiply
    11,974.82x = 17,960.18 × 3,207.68
  4. Step 4: Simplify right side
    11,974.82x = 57,610,510.18
  5. Step 5: Solve for x
    x = 57,610,510.18/11,974.82
  6. Step 6: Final answer
    x = 4,810.97

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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.