Home / 12,462.39-17,198.33-6,797.21

Finding the Fourth Proportional to 12,462.39, 17,198.33 and 6,797.21

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Solution

The fourth proportional to 12,462.39, 17,198.33 and 6,797.21 is: 9,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.39 : 17,198.33 = 6,797.21 : x
  2. Step 2: Convert to fraction form
    12,462.39/17,198.33 = 6,797.21/x
  3. Step 3: Cross multiply
    12,462.39x = 17,198.33 × 6,797.21
  4. Step 4: Simplify right side
    12,462.39x = 116,900,540.68
  5. Step 5: Solve for x
    x = 116,900,540.68/12,462.39
  6. Step 6: Final answer
    x = 9,380.27

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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.