Home / 7,662.24-11,491.89-2,731.86

Finding the Fourth Proportional to 7,662.24, 11,491.89 and 2,731.86

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Solution

The fourth proportional to 7,662.24, 11,491.89 and 2,731.86 is: 4,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.24 : 11,491.89 = 2,731.86 : x
  2. Step 2: Convert to fraction form
    7,662.24/11,491.89 = 2,731.86/x
  3. Step 3: Cross multiply
    7,662.24x = 11,491.89 × 2,731.86
  4. Step 4: Simplify right side
    7,662.24x = 31,394,234.62
  5. Step 5: Solve for x
    x = 31,394,234.62/7,662.24
  6. Step 6: Final answer
    x = 4,097.27

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1.5x scale

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.