Home / 10,921.82-16,382.73-2,713.82

Finding the Fourth Proportional to 10,921.82, 16,382.73 and 2,713.82

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Solution

The fourth proportional to 10,921.82, 16,382.73 and 2,713.82 is: 4,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.82 : 16,382.73 = 2,713.82 : x
  2. Step 2: Convert to fraction form
    10,921.82/16,382.73 = 2,713.82/x
  3. Step 3: Cross multiply
    10,921.82x = 16,382.73 × 2,713.82
  4. Step 4: Simplify right side
    10,921.82x = 44,459,780.33
  5. Step 5: Solve for x
    x = 44,459,780.33/10,921.82
  6. Step 6: Final answer
    x = 4,070.73

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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.