Home / 7,650.96-11,473.20-2,721.84

Finding the Fourth Proportional to 7,650.96, 11,473.20 and 2,721.84

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Solution

The fourth proportional to 7,650.96, 11,473.20 and 2,721.84 is: 4,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.96 : 11,473.20 = 2,721.84 : x
  2. Step 2: Convert to fraction form
    7,650.96/11,473.20 = 2,721.84/x
  3. Step 3: Cross multiply
    7,650.96x = 11,473.20 × 2,721.84
  4. Step 4: Simplify right side
    7,650.96x = 31,228,214.69
  5. Step 5: Solve for x
    x = 31,228,214.69/7,650.96
  6. Step 6: Final answer
    x = 4,081.61

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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.