Home / 11,893.10-17,839.83-5,653.75

Finding the Fourth Proportional to 11,893.10, 17,839.83 and 5,653.75

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Solution

The fourth proportional to 11,893.10, 17,839.83 and 5,653.75 is: 8,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.10 : 17,839.83 = 5,653.75 : x
  2. Step 2: Convert to fraction form
    11,893.10/17,839.83 = 5,653.75/x
  3. Step 3: Cross multiply
    11,893.10x = 17,839.83 × 5,653.75
  4. Step 4: Simplify right side
    11,893.10x = 100,861,938.86
  5. Step 5: Solve for x
    x = 100,861,938.86/11,893.10
  6. Step 6: Final answer
    x = 8,480.71

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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.