Home / 12,149.03-16,765.76-6,843.35

Finding the Fourth Proportional to 12,149.03, 16,765.76 and 6,843.35

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Solution

The fourth proportional to 12,149.03, 16,765.76 and 6,843.35 is: 9,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.03 : 16,765.76 = 6,843.35 : x
  2. Step 2: Convert to fraction form
    12,149.03/16,765.76 = 6,843.35/x
  3. Step 3: Cross multiply
    12,149.03x = 16,765.76 × 6,843.35
  4. Step 4: Simplify right side
    12,149.03x = 114,733,963.70
  5. Step 5: Solve for x
    x = 114,733,963.70/12,149.03
  6. Step 6: Final answer
    x = 9,443.88

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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.