Home / 11,163.83-16,743.65-3,768.12

Finding the Fourth Proportional to 11,163.83, 16,743.65 and 3,768.12

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Solution

The fourth proportional to 11,163.83, 16,743.65 and 3,768.12 is: 5,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.83 : 16,743.65 = 3,768.12 : x
  2. Step 2: Convert to fraction form
    11,163.83/16,743.65 = 3,768.12/x
  3. Step 3: Cross multiply
    11,163.83x = 16,743.65 × 3,768.12
  4. Step 4: Simplify right side
    11,163.83x = 63,092,063.60
  5. Step 5: Solve for x
    x = 63,092,063.60/11,163.83
  6. Step 6: Final answer
    x = 5,651.47

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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.