Home / 7,625.85-11,413.38-5,766.72

Finding the Fourth Proportional to 7,625.85, 11,413.38 and 5,766.72

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Solution

The fourth proportional to 7,625.85, 11,413.38 and 5,766.72 is: 8,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.85 : 11,413.38 = 5,766.72 : x
  2. Step 2: Convert to fraction form
    7,625.85/11,413.38 = 5,766.72/x
  3. Step 3: Cross multiply
    7,625.85x = 11,413.38 × 5,766.72
  4. Step 4: Simplify right side
    7,625.85x = 65,817,766.71
  5. Step 5: Solve for x
    x = 65,817,766.71/7,625.85
  6. Step 6: Final answer
    x = 8,630.88

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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.