Home / 11,255.20-16,885.20-3,464.80

Finding the Fourth Proportional to 11,255.20, 16,885.20 and 3,464.80

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Solution

The fourth proportional to 11,255.20, 16,885.20 and 3,464.80 is: 5,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.20 : 16,885.20 = 3,464.80 : x
  2. Step 2: Convert to fraction form
    11,255.20/16,885.20 = 3,464.80/x
  3. Step 3: Cross multiply
    11,255.20x = 16,885.20 × 3,464.80
  4. Step 4: Simplify right side
    11,255.20x = 58,503,840.96
  5. Step 5: Solve for x
    x = 58,503,840.96/11,255.20
  6. Step 6: Final answer
    x = 5,197.94

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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.