Home / 8,183.88-11,293.78-4,647.64

Finding the Fourth Proportional to 8,183.88, 11,293.78 and 4,647.64

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Solution

The fourth proportional to 8,183.88, 11,293.78 and 4,647.64 is: 6,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.88 : 11,293.78 = 4,647.64 : x
  2. Step 2: Convert to fraction form
    8,183.88/11,293.78 = 4,647.64/x
  3. Step 3: Cross multiply
    8,183.88x = 11,293.78 × 4,647.64
  4. Step 4: Simplify right side
    8,183.88x = 52,489,423.68
  5. Step 5: Solve for x
    x = 52,489,423.68/8,183.88
  6. Step 6: Final answer
    x = 6,413.76

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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.