Home / 7,998.11-11,031.44-5,872.97

Finding the Fourth Proportional to 7,998.11, 11,031.44 and 5,872.97

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Solution

The fourth proportional to 7,998.11, 11,031.44 and 5,872.97 is: 8,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.11 : 11,031.44 = 5,872.97 : x
  2. Step 2: Convert to fraction form
    7,998.11/11,031.44 = 5,872.97/x
  3. Step 3: Cross multiply
    7,998.11x = 11,031.44 × 5,872.97
  4. Step 4: Simplify right side
    7,998.11x = 64,787,347.43
  5. Step 5: Solve for x
    x = 64,787,347.43/7,998.11
  6. Step 6: Final answer
    x = 8,100.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.