Home / 12,132.91-16,743.75-6,827.91

Finding the Fourth Proportional to 12,132.91, 16,743.75 and 6,827.91

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Solution

The fourth proportional to 12,132.91, 16,743.75 and 6,827.91 is: 9,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.91 : 16,743.75 = 6,827.91 : x
  2. Step 2: Convert to fraction form
    12,132.91/16,743.75 = 6,827.91/x
  3. Step 3: Cross multiply
    12,132.91x = 16,743.75 × 6,827.91
  4. Step 4: Simplify right side
    12,132.91x = 114,324,823.85
  5. Step 5: Solve for x
    x = 114,324,823.85/12,132.91
  6. Step 6: Final answer
    x = 9,422.71

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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.