Home / 12,296.24-18,456.60-5,375.60

Finding the Fourth Proportional to 12,296.24, 18,456.60 and 5,375.60

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Solution

The fourth proportional to 12,296.24, 18,456.60 and 5,375.60 is: 8,068.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.24 : 18,456.60 = 5,375.60 : x
  2. Step 2: Convert to fraction form
    12,296.24/18,456.60 = 5,375.60/x
  3. Step 3: Cross multiply
    12,296.24x = 18,456.60 × 5,375.60
  4. Step 4: Simplify right side
    12,296.24x = 99,215,298.96
  5. Step 5: Solve for x
    x = 99,215,298.96/12,296.24
  6. Step 6: Final answer
    x = 8,068.75

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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.