Home / 10,198.24-14,073.48-5,721.90

Finding the Fourth Proportional to 10,198.24, 14,073.48 and 5,721.90

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Solution

The fourth proportional to 10,198.24, 14,073.48 and 5,721.90 is: 7,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.24 : 14,073.48 = 5,721.90 : x
  2. Step 2: Convert to fraction form
    10,198.24/14,073.48 = 5,721.90/x
  3. Step 3: Cross multiply
    10,198.24x = 14,073.48 × 5,721.90
  4. Step 4: Simplify right side
    10,198.24x = 80,526,974.84
  5. Step 5: Solve for x
    x = 80,526,974.84/10,198.24
  6. Step 6: Final answer
    x = 7,896.16

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1.5x scale

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.