Home / 11,413.86-17,122.15-4,839.19

Finding the Fourth Proportional to 11,413.86, 17,122.15 and 4,839.19

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Solution

The fourth proportional to 11,413.86, 17,122.15 and 4,839.19 is: 7,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.86 : 17,122.15 = 4,839.19 : x
  2. Step 2: Convert to fraction form
    11,413.86/17,122.15 = 4,839.19/x
  3. Step 3: Cross multiply
    11,413.86x = 17,122.15 × 4,839.19
  4. Step 4: Simplify right side
    11,413.86x = 82,857,300.30
  5. Step 5: Solve for x
    x = 82,857,300.30/11,413.86
  6. Step 6: Final answer
    x = 7,259.36

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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.