Home / 8,021.80-12,032.56-3,092.56

Finding the Fourth Proportional to 8,021.80, 12,032.56 and 3,092.56

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Solution

The fourth proportional to 8,021.80, 12,032.56 and 3,092.56 is: 4,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.80 : 12,032.56 = 3,092.56 : x
  2. Step 2: Convert to fraction form
    8,021.80/12,032.56 = 3,092.56/x
  3. Step 3: Cross multiply
    8,021.80x = 12,032.56 × 3,092.56
  4. Step 4: Simplify right side
    8,021.80x = 37,211,413.75
  5. Step 5: Solve for x
    x = 37,211,413.75/8,021.80
  6. Step 6: Final answer
    x = 4,638.79

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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.