Home / 8,183.89-11,293.85-4,647.18

Finding the Fourth Proportional to 8,183.89, 11,293.85 and 4,647.18

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Solution

The fourth proportional to 8,183.89, 11,293.85 and 4,647.18 is: 6,413.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.89 : 11,293.85 = 4,647.18 : x
  2. Step 2: Convert to fraction form
    8,183.89/11,293.85 = 4,647.18/x
  3. Step 3: Cross multiply
    8,183.89x = 11,293.85 × 4,647.18
  4. Step 4: Simplify right side
    8,183.89x = 52,484,530.61
  5. Step 5: Solve for x
    x = 52,484,530.61/8,183.89
  6. Step 6: Final answer
    x = 6,413.15

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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.