Home / 7,679.44-11,516.05-2,998.79

Finding the Fourth Proportional to 7,679.44, 11,516.05 and 2,998.79

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Solution

The fourth proportional to 7,679.44, 11,516.05 and 2,998.79 is: 4,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.44 : 11,516.05 = 2,998.79 : x
  2. Step 2: Convert to fraction form
    7,679.44/11,516.05 = 2,998.79/x
  3. Step 3: Cross multiply
    7,679.44x = 11,516.05 × 2,998.79
  4. Step 4: Simplify right side
    7,679.44x = 34,534,215.58
  5. Step 5: Solve for x
    x = 34,534,215.58/7,679.44
  6. Step 6: Final answer
    x = 4,496.97

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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.