Home / 10,198.11-14,073.31-5,721.77

Finding the Fourth Proportional to 10,198.11, 14,073.31 and 5,721.77

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Solution

The fourth proportional to 10,198.11, 14,073.31 and 5,721.77 is: 7,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.11 : 14,073.31 = 5,721.77 : x
  2. Step 2: Convert to fraction form
    10,198.11/14,073.31 = 5,721.77/x
  3. Step 3: Cross multiply
    10,198.11x = 14,073.31 × 5,721.77
  4. Step 4: Simplify right side
    10,198.11x = 80,524,242.96
  5. Step 5: Solve for x
    x = 80,524,242.96/10,198.11
  6. Step 6: Final answer
    x = 7,896.00

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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.