Home / 6,724.80-10,076.40-4,413.60

Finding the Fourth Proportional to 6,724.80, 10,076.40 and 4,413.60

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Solution

The fourth proportional to 6,724.80, 10,076.40 and 4,413.60 is: 6,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.80 : 10,076.40 = 4,413.60 : x
  2. Step 2: Convert to fraction form
    6,724.80/10,076.40 = 4,413.60/x
  3. Step 3: Cross multiply
    6,724.80x = 10,076.40 × 4,413.60
  4. Step 4: Simplify right side
    6,724.80x = 44,473,199.04
  5. Step 5: Solve for x
    x = 44,473,199.04/6,724.80
  6. Step 6: Final answer
    x = 6,613.31

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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.