Home / 11,413.75-17,121.70-3,093.81

Finding the Fourth Proportional to 11,413.75, 17,121.70 and 3,093.81

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Solution

The fourth proportional to 11,413.75, 17,121.70 and 3,093.81 is: 4,641.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.75 : 17,121.70 = 3,093.81 : x
  2. Step 2: Convert to fraction form
    11,413.75/17,121.70 = 3,093.81/x
  3. Step 3: Cross multiply
    11,413.75x = 17,121.70 × 3,093.81
  4. Step 4: Simplify right side
    11,413.75x = 52,971,259.12
  5. Step 5: Solve for x
    x = 52,971,259.12/11,413.75
  6. Step 6: Final answer
    x = 4,641.00

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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.