Home / 7,677.12-11,512.32-2,410.68

Finding the Fourth Proportional to 7,677.12, 11,512.32 and 2,410.68

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Solution

The fourth proportional to 7,677.12, 11,512.32 and 2,410.68 is: 3,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.12 : 11,512.32 = 2,410.68 : x
  2. Step 2: Convert to fraction form
    7,677.12/11,512.32 = 2,410.68/x
  3. Step 3: Cross multiply
    7,677.12x = 11,512.32 × 2,410.68
  4. Step 4: Simplify right side
    7,677.12x = 27,752,519.58
  5. Step 5: Solve for x
    x = 27,752,519.58/7,677.12
  6. Step 6: Final answer
    x = 3,614.96

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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.