Home / 12,166.26-18,242.01-5,919.98

Finding the Fourth Proportional to 12,166.26, 18,242.01 and 5,919.98

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Solution

The fourth proportional to 12,166.26, 18,242.01 and 5,919.98 is: 8,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.26 : 18,242.01 = 5,919.98 : x
  2. Step 2: Convert to fraction form
    12,166.26/18,242.01 = 5,919.98/x
  3. Step 3: Cross multiply
    12,166.26x = 18,242.01 × 5,919.98
  4. Step 4: Simplify right side
    12,166.26x = 107,992,243.15
  5. Step 5: Solve for x
    x = 107,992,243.15/12,166.26
  6. Step 6: Final answer
    x = 8,876.37

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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.