Home / 8,015.37-11,061.44-4,478.82

Finding the Fourth Proportional to 8,015.37, 11,061.44 and 4,478.82

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Solution

The fourth proportional to 8,015.37, 11,061.44 and 4,478.82 is: 6,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.37 : 11,061.44 = 4,478.82 : x
  2. Step 2: Convert to fraction form
    8,015.37/11,061.44 = 4,478.82/x
  3. Step 3: Cross multiply
    8,015.37x = 11,061.44 × 4,478.82
  4. Step 4: Simplify right side
    8,015.37x = 49,542,198.70
  5. Step 5: Solve for x
    x = 49,542,198.70/8,015.37
  6. Step 6: Final answer
    x = 6,180.90

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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.