Home / 7,413.47-10,231.74-4,226.78

Finding the Fourth Proportional to 7,413.47, 10,231.74 and 4,226.78

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Solution

The fourth proportional to 7,413.47, 10,231.74 and 4,226.78 is: 5,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.47 : 10,231.74 = 4,226.78 : x
  2. Step 2: Convert to fraction form
    7,413.47/10,231.74 = 4,226.78/x
  3. Step 3: Cross multiply
    7,413.47x = 10,231.74 × 4,226.78
  4. Step 4: Simplify right side
    7,413.47x = 43,247,286.72
  5. Step 5: Solve for x
    x = 43,247,286.72/7,413.47
  6. Step 6: Final answer
    x = 5,833.61

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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.