Home / 12,472.88-18,704.30-4,573.55

Finding the Fourth Proportional to 12,472.88, 18,704.30 and 4,573.55

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Solution

The fourth proportional to 12,472.88, 18,704.30 and 4,573.55 is: 6,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.88 : 18,704.30 = 4,573.55 : x
  2. Step 2: Convert to fraction form
    12,472.88/18,704.30 = 4,573.55/x
  3. Step 3: Cross multiply
    12,472.88x = 18,704.30 × 4,573.55
  4. Step 4: Simplify right side
    12,472.88x = 85,544,934.88
  5. Step 5: Solve for x
    x = 85,544,934.88/12,472.88
  6. Step 6: Final answer
    x = 6,858.48

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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.