Home / 11,966.47-17,942.85-3,644.02

Finding the Fourth Proportional to 11,966.47, 17,942.85 and 3,644.02

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Solution

The fourth proportional to 11,966.47, 17,942.85 and 3,644.02 is: 5,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.47 : 17,942.85 = 3,644.02 : x
  2. Step 2: Convert to fraction form
    11,966.47/17,942.85 = 3,644.02/x
  3. Step 3: Cross multiply
    11,966.47x = 17,942.85 × 3,644.02
  4. Step 4: Simplify right side
    11,966.47x = 65,384,126.69
  5. Step 5: Solve for x
    x = 65,384,126.69/11,966.47
  6. Step 6: Final answer
    x = 5,463.95

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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.