Home / 6,325.20-8,729.19-4,647.33

Finding the Fourth Proportional to 6,325.20, 8,729.19 and 4,647.33

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Solution

The fourth proportional to 6,325.20, 8,729.19 and 4,647.33 is: 6,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,325.20 : 8,729.19 = 4,647.33 : x
  2. Step 2: Convert to fraction form
    6,325.20/8,729.19 = 4,647.33/x
  3. Step 3: Cross multiply
    6,325.20x = 8,729.19 × 4,647.33
  4. Step 4: Simplify right side
    6,325.20x = 40,567,426.56
  5. Step 5: Solve for x
    x = 40,567,426.56/6,325.20
  6. Step 6: Final answer
    x = 6,413.62

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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.