Home / 10,413.26-15,620.12-3,393.26

Finding the Fourth Proportional to 10,413.26, 15,620.12 and 3,393.26

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Solution

The fourth proportional to 10,413.26, 15,620.12 and 3,393.26 is: 5,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.26 : 15,620.12 = 3,393.26 : x
  2. Step 2: Convert to fraction form
    10,413.26/15,620.12 = 3,393.26/x
  3. Step 3: Cross multiply
    10,413.26x = 15,620.12 × 3,393.26
  4. Step 4: Simplify right side
    10,413.26x = 53,003,128.39
  5. Step 5: Solve for x
    x = 53,003,128.39/10,413.26
  6. Step 6: Final answer
    x = 5,089.96

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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.