Home / 11,660.72-17,496.24-6,112.74

Finding the Fourth Proportional to 11,660.72, 17,496.24 and 6,112.74

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Solution

The fourth proportional to 11,660.72, 17,496.24 and 6,112.74 is: 9,171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.72 : 17,496.24 = 6,112.74 : x
  2. Step 2: Convert to fraction form
    11,660.72/17,496.24 = 6,112.74/x
  3. Step 3: Cross multiply
    11,660.72x = 17,496.24 × 6,112.74
  4. Step 4: Simplify right side
    11,660.72x = 106,949,966.10
  5. Step 5: Solve for x
    x = 106,949,966.10/11,660.72
  6. Step 6: Final answer
    x = 9,171.81

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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.