Home / 11,252.79-16,882.83-5,408.64

Finding the Fourth Proportional to 11,252.79, 16,882.83 and 5,408.64

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Solution

The fourth proportional to 11,252.79, 16,882.83 and 5,408.64 is: 8,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.79 : 16,882.83 = 5,408.64 : x
  2. Step 2: Convert to fraction form
    11,252.79/16,882.83 = 5,408.64/x
  3. Step 3: Cross multiply
    11,252.79x = 16,882.83 × 5,408.64
  4. Step 4: Simplify right side
    11,252.79x = 91,313,149.65
  5. Step 5: Solve for x
    x = 91,313,149.65/11,252.79
  6. Step 6: Final answer
    x = 8,114.71

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1.5x scale

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.