Home / 8,950.38-12,351.51-5,413.59

Finding the Fourth Proportional to 8,950.38, 12,351.51 and 5,413.59

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Solution

The fourth proportional to 8,950.38, 12,351.51 and 5,413.59 is: 7,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.38 : 12,351.51 = 5,413.59 : x
  2. Step 2: Convert to fraction form
    8,950.38/12,351.51 = 5,413.59/x
  3. Step 3: Cross multiply
    8,950.38x = 12,351.51 × 5,413.59
  4. Step 4: Simplify right side
    8,950.38x = 66,866,011.02
  5. Step 5: Solve for x
    x = 66,866,011.02/8,950.38
  6. Step 6: Final answer
    x = 7,470.75

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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.