Home / 10,931.88-16,397.82-2,723.88

Finding the Fourth Proportional to 10,931.88, 16,397.82 and 2,723.88

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Solution

The fourth proportional to 10,931.88, 16,397.82 and 2,723.88 is: 4,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.88 : 16,397.82 = 2,723.88 : x
  2. Step 2: Convert to fraction form
    10,931.88/16,397.82 = 2,723.88/x
  3. Step 3: Cross multiply
    10,931.88x = 16,397.82 × 2,723.88
  4. Step 4: Simplify right side
    10,931.88x = 44,665,693.94
  5. Step 5: Solve for x
    x = 44,665,693.94/10,931.88
  6. Step 6: Final answer
    x = 4,085.82

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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.