Home / 8,818.20-13,227.14-3,553.09

Finding the Fourth Proportional to 8,818.20, 13,227.14 and 3,553.09

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Solution

The fourth proportional to 8,818.20, 13,227.14 and 3,553.09 is: 5,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.20 : 13,227.14 = 3,553.09 : x
  2. Step 2: Convert to fraction form
    8,818.20/13,227.14 = 3,553.09/x
  3. Step 3: Cross multiply
    8,818.20x = 13,227.14 × 3,553.09
  4. Step 4: Simplify right side
    8,818.20x = 46,997,194.68
  5. Step 5: Solve for x
    x = 46,997,194.68/8,818.20
  6. Step 6: Final answer
    x = 5,329.57

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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.