Home / 10,650.86-15,976.20-2,752.70

Finding the Fourth Proportional to 10,650.86, 15,976.20 and 2,752.70

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Solution

The fourth proportional to 10,650.86, 15,976.20 and 2,752.70 is: 4,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.86 : 15,976.20 = 2,752.70 : x
  2. Step 2: Convert to fraction form
    10,650.86/15,976.20 = 2,752.70/x
  3. Step 3: Cross multiply
    10,650.86x = 15,976.20 × 2,752.70
  4. Step 4: Simplify right side
    10,650.86x = 43,977,592.10
  5. Step 5: Solve for x
    x = 43,977,592.10/10,650.86
  6. Step 6: Final answer
    x = 4,129.02

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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.