Home / 11,161.57-16,730.68-3,763.47

Finding the Fourth Proportional to 11,161.57, 16,730.68 and 3,763.47

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Solution

The fourth proportional to 11,161.57, 16,730.68 and 3,763.47 is: 5,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.57 : 16,730.68 = 3,763.47 : x
  2. Step 2: Convert to fraction form
    11,161.57/16,730.68 = 3,763.47/x
  3. Step 3: Cross multiply
    11,161.57x = 16,730.68 × 3,763.47
  4. Step 4: Simplify right side
    11,161.57x = 62,965,412.26
  5. Step 5: Solve for x
    x = 62,965,412.26/11,161.57
  6. Step 6: Final answer
    x = 5,641.27

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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.