Home / 11,227.78-15,494.44-6,192.20

Finding the Fourth Proportional to 11,227.78, 15,494.44 and 6,192.20

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Solution

The fourth proportional to 11,227.78, 15,494.44 and 6,192.20 is: 8,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.78 : 15,494.44 = 6,192.20 : x
  2. Step 2: Convert to fraction form
    11,227.78/15,494.44 = 6,192.20/x
  3. Step 3: Cross multiply
    11,227.78x = 15,494.44 × 6,192.20
  4. Step 4: Simplify right side
    11,227.78x = 95,944,671.37
  5. Step 5: Solve for x
    x = 95,944,671.37/11,227.78
  6. Step 6: Final answer
    x = 8,545.30

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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.