Home / 8,818.53-13,228.17-3,887.04

Finding the Fourth Proportional to 8,818.53, 13,228.17 and 3,887.04

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Solution

The fourth proportional to 8,818.53, 13,228.17 and 3,887.04 is: 5,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.53 : 13,228.17 = 3,887.04 : x
  2. Step 2: Convert to fraction form
    8,818.53/13,228.17 = 3,887.04/x
  3. Step 3: Cross multiply
    8,818.53x = 13,228.17 × 3,887.04
  4. Step 4: Simplify right side
    8,818.53x = 51,418,425.92
  5. Step 5: Solve for x
    x = 51,418,425.92/8,818.53
  6. Step 6: Final answer
    x = 5,830.73

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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.