Home / 11,148.77-16,719.28-3,249.11

Finding the Fourth Proportional to 11,148.77, 16,719.28 and 3,249.11

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Solution

The fourth proportional to 11,148.77, 16,719.28 and 3,249.11 is: 4,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.77 : 16,719.28 = 3,249.11 : x
  2. Step 2: Convert to fraction form
    11,148.77/16,719.28 = 3,249.11/x
  3. Step 3: Cross multiply
    11,148.77x = 16,719.28 × 3,249.11
  4. Step 4: Simplify right side
    11,148.77x = 54,322,813.52
  5. Step 5: Solve for x
    x = 54,322,813.52/11,148.77
  6. Step 6: Final answer
    x = 4,872.54

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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.