Home / 12,351.27-17,044.63-6,685.90

Finding the Fourth Proportional to 12,351.27, 17,044.63 and 6,685.90

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Solution

The fourth proportional to 12,351.27, 17,044.63 and 6,685.90 is: 9,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.27 : 17,044.63 = 6,685.90 : x
  2. Step 2: Convert to fraction form
    12,351.27/17,044.63 = 6,685.90/x
  3. Step 3: Cross multiply
    12,351.27x = 17,044.63 × 6,685.90
  4. Step 4: Simplify right side
    12,351.27x = 113,958,691.72
  5. Step 5: Solve for x
    x = 113,958,691.72/12,351.27
  6. Step 6: Final answer
    x = 9,226.48

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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.