Home / 12,769.11-19,161.14-5,373

Finding the Fourth Proportional to 12,769.11, 19,161.14 and 5,373

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Solution

The fourth proportional to 12,769.11, 19,161.14 and 5,373 is: 8,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.11 : 19,161.14 = 5,373 : x
  2. Step 2: Convert to fraction form
    12,769.11/19,161.14 = 5,373/x
  3. Step 3: Cross multiply
    12,769.11x = 19,161.14 × 5,373
  4. Step 4: Simplify right side
    12,769.11x = 102,952,778.36
  5. Step 5: Solve for x
    x = 102,952,778.36/12,769.11
  6. Step 6: Final answer
    x = 8,062.64

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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.