Home / 10,442.08-15,663.04-2,650.96

Finding the Fourth Proportional to 10,442.08, 15,663.04 and 2,650.96

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Solution

The fourth proportional to 10,442.08, 15,663.04 and 2,650.96 is: 3,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.08 : 15,663.04 = 2,650.96 : x
  2. Step 2: Convert to fraction form
    10,442.08/15,663.04 = 2,650.96/x
  3. Step 3: Cross multiply
    10,442.08x = 15,663.04 × 2,650.96
  4. Step 4: Simplify right side
    10,442.08x = 41,522,092.52
  5. Step 5: Solve for x
    x = 41,522,092.52/10,442.08
  6. Step 6: Final answer
    x = 3,976.42

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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.