Home / 11,255.28-16,884.78-3,464.12

Finding the Fourth Proportional to 11,255.28, 16,884.78 and 3,464.12

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Solution

The fourth proportional to 11,255.28, 16,884.78 and 3,464.12 is: 5,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.28 : 16,884.78 = 3,464.12 : x
  2. Step 2: Convert to fraction form
    11,255.28/16,884.78 = 3,464.12/x
  3. Step 3: Cross multiply
    11,255.28x = 16,884.78 × 3,464.12
  4. Step 4: Simplify right side
    11,255.28x = 58,490,904.09
  5. Step 5: Solve for x
    x = 58,490,904.09/11,255.28
  6. Step 6: Final answer
    x = 5,196.75

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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.