Home / 8,818.76-13,234.68-3,553.80

Finding the Fourth Proportional to 8,818.76, 13,234.68 and 3,553.80

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Solution

The fourth proportional to 8,818.76, 13,234.68 and 3,553.80 is: 5,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.76 : 13,234.68 = 3,553.80 : x
  2. Step 2: Convert to fraction form
    8,818.76/13,234.68 = 3,553.80/x
  3. Step 3: Cross multiply
    8,818.76x = 13,234.68 × 3,553.80
  4. Step 4: Simplify right side
    8,818.76x = 47,033,405.78
  5. Step 5: Solve for x
    x = 47,033,405.78/8,818.76
  6. Step 6: Final answer
    x = 5,333.34

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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.