Home / 8,729.88-13,093.20-2,488.56

Finding the Fourth Proportional to 8,729.88, 13,093.20 and 2,488.56

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Solution

The fourth proportional to 8,729.88, 13,093.20 and 2,488.56 is: 3,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.88 : 13,093.20 = 2,488.56 : x
  2. Step 2: Convert to fraction form
    8,729.88/13,093.20 = 2,488.56/x
  3. Step 3: Cross multiply
    8,729.88x = 13,093.20 × 2,488.56
  4. Step 4: Simplify right side
    8,729.88x = 32,583,213.79
  5. Step 5: Solve for x
    x = 32,583,213.79/8,729.88
  6. Step 6: Final answer
    x = 3,732.38

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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.