Home / 11,255.09-16,884.43-3,463.90

Finding the Fourth Proportional to 11,255.09, 16,884.43 and 3,463.90

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Solution

The fourth proportional to 11,255.09, 16,884.43 and 3,463.90 is: 5,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.09 : 16,884.43 = 3,463.90 : x
  2. Step 2: Convert to fraction form
    11,255.09/16,884.43 = 3,463.90/x
  3. Step 3: Cross multiply
    11,255.09x = 16,884.43 × 3,463.90
  4. Step 4: Simplify right side
    11,255.09x = 58,485,926.21
  5. Step 5: Solve for x
    x = 58,485,926.21/11,255.09
  6. Step 6: Final answer
    x = 5,196.40

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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.