Home / 13,061.36-19,596.90-6,131

Finding the Fourth Proportional to 13,061.36, 19,596.90 and 6,131

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Solution

The fourth proportional to 13,061.36, 19,596.90 and 6,131 is: 9,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061.36 : 19,596.90 = 6,131 : x
  2. Step 2: Convert to fraction form
    13,061.36/19,596.90 = 6,131/x
  3. Step 3: Cross multiply
    13,061.36x = 19,596.90 × 6,131
  4. Step 4: Simplify right side
    13,061.36x = 120,148,593.90
  5. Step 5: Solve for x
    x = 120,148,593.90/13,061.36
  6. Step 6: Final answer
    x = 9,198.78

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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.