Home / 12,462.35-17,272.28-12,229.07

Finding the Fourth Proportional to 12,462.35, 17,272.28 and 12,229.07

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Solution

The fourth proportional to 12,462.35, 17,272.28 and 12,229.07 is: 16,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.35 : 17,272.28 = 12,229.07 : x
  2. Step 2: Convert to fraction form
    12,462.35/17,272.28 = 12,229.07/x
  3. Step 3: Cross multiply
    12,462.35x = 17,272.28 × 12,229.07
  4. Step 4: Simplify right side
    12,462.35x = 211,223,865.39
  5. Step 5: Solve for x
    x = 211,223,865.39/12,462.35
  6. Step 6: Final answer
    x = 16,948.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.