Home / 11,195.43-16,789.38-5,645.23

Finding the Fourth Proportional to 11,195.43, 16,789.38 and 5,645.23

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Solution

The fourth proportional to 11,195.43, 16,789.38 and 5,645.23 is: 8,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.43 : 16,789.38 = 5,645.23 : x
  2. Step 2: Convert to fraction form
    11,195.43/16,789.38 = 5,645.23/x
  3. Step 3: Cross multiply
    11,195.43x = 16,789.38 × 5,645.23
  4. Step 4: Simplify right side
    11,195.43x = 94,779,911.66
  5. Step 5: Solve for x
    x = 94,779,911.66/11,195.43
  6. Step 6: Final answer
    x = 8,465.95

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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.