Home / 11,858.85-17,790.99-4,067.64

Finding the Fourth Proportional to 11,858.85, 17,790.99 and 4,067.64

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Solution

The fourth proportional to 11,858.85, 17,790.99 and 4,067.64 is: 6,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.85 : 17,790.99 = 4,067.64 : x
  2. Step 2: Convert to fraction form
    11,858.85/17,790.99 = 4,067.64/x
  3. Step 3: Cross multiply
    11,858.85x = 17,790.99 × 4,067.64
  4. Step 4: Simplify right side
    11,858.85x = 72,367,342.56
  5. Step 5: Solve for x
    x = 72,367,342.56/11,858.85
  6. Step 6: Final answer
    x = 6,102.39

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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.