Home / 11,726.10-16,183.53-6,691.95

Finding the Fourth Proportional to 11,726.10, 16,183.53 and 6,691.95

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Solution

The fourth proportional to 11,726.10, 16,183.53 and 6,691.95 is: 9,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.10 : 16,183.53 = 6,691.95 : x
  2. Step 2: Convert to fraction form
    11,726.10/16,183.53 = 6,691.95/x
  3. Step 3: Cross multiply
    11,726.10x = 16,183.53 × 6,691.95
  4. Step 4: Simplify right side
    11,726.10x = 108,299,373.58
  5. Step 5: Solve for x
    x = 108,299,373.58/11,726.10
  6. Step 6: Final answer
    x = 9,235.75

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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.