Home / 10,198.09-14,073.27-5,721.75

Finding the Fourth Proportional to 10,198.09, 14,073.27 and 5,721.75

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Solution

The fourth proportional to 10,198.09, 14,073.27 and 5,721.75 is: 7,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.09 : 14,073.27 = 5,721.75 : x
  2. Step 2: Convert to fraction form
    10,198.09/14,073.27 = 5,721.75/x
  3. Step 3: Cross multiply
    10,198.09x = 14,073.27 × 5,721.75
  4. Step 4: Simplify right side
    10,198.09x = 80,523,732.62
  5. Step 5: Solve for x
    x = 80,523,732.62/10,198.09
  6. Step 6: Final answer
    x = 7,895.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.