Home / 11,245.86-16,857.44-3,845.28

Finding the Fourth Proportional to 11,245.86, 16,857.44 and 3,845.28

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Solution

The fourth proportional to 11,245.86, 16,857.44 and 3,845.28 is: 5,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.86 : 16,857.44 = 3,845.28 : x
  2. Step 2: Convert to fraction form
    11,245.86/16,857.44 = 3,845.28/x
  3. Step 3: Cross multiply
    11,245.86x = 16,857.44 × 3,845.28
  4. Step 4: Simplify right side
    11,245.86x = 64,821,576.88
  5. Step 5: Solve for x
    x = 64,821,576.88/11,245.86
  6. Step 6: Final answer
    x = 5,764.04

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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.