Home / 7,413.08-11,119.60-2,218.96

Finding the Fourth Proportional to 7,413.08, 11,119.60 and 2,218.96

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Solution

The fourth proportional to 7,413.08, 11,119.60 and 2,218.96 is: 3,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.08 : 11,119.60 = 2,218.96 : x
  2. Step 2: Convert to fraction form
    7,413.08/11,119.60 = 2,218.96/x
  3. Step 3: Cross multiply
    7,413.08x = 11,119.60 × 2,218.96
  4. Step 4: Simplify right side
    7,413.08x = 24,673,947.62
  5. Step 5: Solve for x
    x = 24,673,947.62/7,413.08
  6. Step 6: Final answer
    x = 3,328.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.