Home / 9,605.56-13,253.34-5,413.80

Finding the Fourth Proportional to 9,605.56, 13,253.34 and 5,413.80

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Solution

The fourth proportional to 9,605.56, 13,253.34 and 5,413.80 is: 7,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.56 : 13,253.34 = 5,413.80 : x
  2. Step 2: Convert to fraction form
    9,605.56/13,253.34 = 5,413.80/x
  3. Step 3: Cross multiply
    9,605.56x = 13,253.34 × 5,413.80
  4. Step 4: Simplify right side
    9,605.56x = 71,750,932.09
  5. Step 5: Solve for x
    x = 71,750,932.09/9,605.56
  6. Step 6: Final answer
    x = 7,469.73

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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.