Home / 11,714.87-17,572.31-2,949.86

Finding the Fourth Proportional to 11,714.87, 17,572.31 and 2,949.86

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Solution

The fourth proportional to 11,714.87, 17,572.31 and 2,949.86 is: 4,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.87 : 17,572.31 = 2,949.86 : x
  2. Step 2: Convert to fraction form
    11,714.87/17,572.31 = 2,949.86/x
  3. Step 3: Cross multiply
    11,714.87x = 17,572.31 × 2,949.86
  4. Step 4: Simplify right side
    11,714.87x = 51,835,751.77
  5. Step 5: Solve for x
    x = 51,835,751.77/11,714.87
  6. Step 6: Final answer
    x = 4,424.78

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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.