Home / 11,249.56-16,871.25-3,351.72

Finding the Fourth Proportional to 11,249.56, 16,871.25 and 3,351.72

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Solution

The fourth proportional to 11,249.56, 16,871.25 and 3,351.72 is: 5,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.56 : 16,871.25 = 3,351.72 : x
  2. Step 2: Convert to fraction form
    11,249.56/16,871.25 = 3,351.72/x
  3. Step 3: Cross multiply
    11,249.56x = 16,871.25 × 3,351.72
  4. Step 4: Simplify right side
    11,249.56x = 56,547,706.05
  5. Step 5: Solve for x
    x = 56,547,706.05/11,249.56
  6. Step 6: Final answer
    x = 5,026.66

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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.