Home / 8,134.68-11,227.98-5,151.96

Finding the Fourth Proportional to 8,134.68, 11,227.98 and 5,151.96

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Solution

The fourth proportional to 8,134.68, 11,227.98 and 5,151.96 is: 7,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.68 : 11,227.98 = 5,151.96 : x
  2. Step 2: Convert to fraction form
    8,134.68/11,227.98 = 5,151.96/x
  3. Step 3: Cross multiply
    8,134.68x = 11,227.98 × 5,151.96
  4. Step 4: Simplify right side
    8,134.68x = 57,846,103.84
  5. Step 5: Solve for x
    x = 57,846,103.84/8,134.68
  6. Step 6: Final answer
    x = 7,111.05

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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.