Home / 12,446.24-17,175.74-6,780.97

Finding the Fourth Proportional to 12,446.24, 17,175.74 and 6,780.97

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Solution

The fourth proportional to 12,446.24, 17,175.74 and 6,780.97 is: 9,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.24 : 17,175.74 = 6,780.97 : x
  2. Step 2: Convert to fraction form
    12,446.24/17,175.74 = 6,780.97/x
  3. Step 3: Cross multiply
    12,446.24x = 17,175.74 × 6,780.97
  4. Step 4: Simplify right side
    12,446.24x = 116,468,177.67
  5. Step 5: Solve for x
    x = 116,468,177.67/12,446.24
  6. Step 6: Final answer
    x = 9,357.70

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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.