Home / 12,227.62-18,341.43-5,652.58

Finding the Fourth Proportional to 12,227.62, 18,341.43 and 5,652.58

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Solution

The fourth proportional to 12,227.62, 18,341.43 and 5,652.58 is: 8,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.62 : 18,341.43 = 5,652.58 : x
  2. Step 2: Convert to fraction form
    12,227.62/18,341.43 = 5,652.58/x
  3. Step 3: Cross multiply
    12,227.62x = 18,341.43 × 5,652.58
  4. Step 4: Simplify right side
    12,227.62x = 103,676,400.39
  5. Step 5: Solve for x
    x = 103,676,400.39/12,227.62
  6. Step 6: Final answer
    x = 8,478.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.