Home / 11,899.12-17,851.24-3,578.44

Finding the Fourth Proportional to 11,899.12, 17,851.24 and 3,578.44

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Solution

The fourth proportional to 11,899.12, 17,851.24 and 3,578.44 is: 5,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.12 : 17,851.24 = 3,578.44 : x
  2. Step 2: Convert to fraction form
    11,899.12/17,851.24 = 3,578.44/x
  3. Step 3: Cross multiply
    11,899.12x = 17,851.24 × 3,578.44
  4. Step 4: Simplify right side
    11,899.12x = 63,879,591.27
  5. Step 5: Solve for x
    x = 63,879,591.27/11,899.12
  6. Step 6: Final answer
    x = 5,368.43

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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.