Home / 12,408.93-17,124.62-6,743.99

Finding the Fourth Proportional to 12,408.93, 17,124.62 and 6,743.99

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Solution

The fourth proportional to 12,408.93, 17,124.62 and 6,743.99 is: 9,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408.93 : 17,124.62 = 6,743.99 : x
  2. Step 2: Convert to fraction form
    12,408.93/17,124.62 = 6,743.99/x
  3. Step 3: Cross multiply
    12,408.93x = 17,124.62 × 6,743.99
  4. Step 4: Simplify right side
    12,408.93x = 115,488,275.13
  5. Step 5: Solve for x
    x = 115,488,275.13/12,408.93
  6. Step 6: Final answer
    x = 9,306.87

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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.