Home / 12,523.67-18,786.92-4,204.26

Finding the Fourth Proportional to 12,523.67, 18,786.92 and 4,204.26

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Solution

The fourth proportional to 12,523.67, 18,786.92 and 4,204.26 is: 6,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.67 : 18,786.92 = 4,204.26 : x
  2. Step 2: Convert to fraction form
    12,523.67/18,786.92 = 4,204.26/x
  3. Step 3: Cross multiply
    12,523.67x = 18,786.92 × 4,204.26
  4. Step 4: Simplify right side
    12,523.67x = 78,985,075.26
  5. Step 5: Solve for x
    x = 78,985,075.26/12,523.67
  6. Step 6: Final answer
    x = 6,306.87

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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.