Home / 11,645.10-17,467.65-3,854.52

Finding the Fourth Proportional to 11,645.10, 17,467.65 and 3,854.52

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Solution

The fourth proportional to 11,645.10, 17,467.65 and 3,854.52 is: 5,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.10 : 17,467.65 = 3,854.52 : x
  2. Step 2: Convert to fraction form
    11,645.10/17,467.65 = 3,854.52/x
  3. Step 3: Cross multiply
    11,645.10x = 17,467.65 × 3,854.52
  4. Step 4: Simplify right side
    11,645.10x = 67,329,406.28
  5. Step 5: Solve for x
    x = 67,329,406.28/11,645.10
  6. Step 6: Final answer
    x = 5,781.78

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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.