Home / 11,906.82-17,836.35-5,672.88

Finding the Fourth Proportional to 11,906.82, 17,836.35 and 5,672.88

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Solution

The fourth proportional to 11,906.82, 17,836.35 and 5,672.88 is: 8,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.82 : 17,836.35 = 5,672.88 : x
  2. Step 2: Convert to fraction form
    11,906.82/17,836.35 = 5,672.88/x
  3. Step 3: Cross multiply
    11,906.82x = 17,836.35 × 5,672.88
  4. Step 4: Simplify right side
    11,906.82x = 101,183,473.19
  5. Step 5: Solve for x
    x = 101,183,473.19/11,906.82
  6. Step 6: Final answer
    x = 8,497.94

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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.