Home / 8,057.52-11,119.14-4,520.79

Finding the Fourth Proportional to 8,057.52, 11,119.14 and 4,520.79

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Solution

The fourth proportional to 8,057.52, 11,119.14 and 4,520.79 is: 6,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.52 : 11,119.14 = 4,520.79 : x
  2. Step 2: Convert to fraction form
    8,057.52/11,119.14 = 4,520.79/x
  3. Step 3: Cross multiply
    8,057.52x = 11,119.14 × 4,520.79
  4. Step 4: Simplify right side
    8,057.52x = 50,267,296.92
  5. Step 5: Solve for x
    x = 50,267,296.92/8,057.52
  6. Step 6: Final answer
    x = 6,238.56

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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.