Home / 7,998.92-11,043.66-5,167.56

Finding the Fourth Proportional to 7,998.92, 11,043.66 and 5,167.56

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Solution

The fourth proportional to 7,998.92, 11,043.66 and 5,167.56 is: 7,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.92 : 11,043.66 = 5,167.56 : x
  2. Step 2: Convert to fraction form
    7,998.92/11,043.66 = 5,167.56/x
  3. Step 3: Cross multiply
    7,998.92x = 11,043.66 × 5,167.56
  4. Step 4: Simplify right side
    7,998.92x = 57,068,775.67
  5. Step 5: Solve for x
    x = 57,068,775.67/7,998.92
  6. Step 6: Final answer
    x = 7,134.56

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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.