Home / 11,249.21-16,867.26-3,851.69

Finding the Fourth Proportional to 11,249.21, 16,867.26 and 3,851.69

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Solution

The fourth proportional to 11,249.21, 16,867.26 and 3,851.69 is: 5,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.21 : 16,867.26 = 3,851.69 : x
  2. Step 2: Convert to fraction form
    11,249.21/16,867.26 = 3,851.69/x
  3. Step 3: Cross multiply
    11,249.21x = 16,867.26 × 3,851.69
  4. Step 4: Simplify right side
    11,249.21x = 64,967,372.33
  5. Step 5: Solve for x
    x = 64,967,372.33/11,249.21
  6. Step 6: Final answer
    x = 5,775.28

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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.