Home / 8,950.28-12,352.52-5,413.49

Finding the Fourth Proportional to 8,950.28, 12,352.52 and 5,413.49

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Solution

The fourth proportional to 8,950.28, 12,352.52 and 5,413.49 is: 7,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.28 : 12,352.52 = 5,413.49 : x
  2. Step 2: Convert to fraction form
    8,950.28/12,352.52 = 5,413.49/x
  3. Step 3: Cross multiply
    8,950.28x = 12,352.52 × 5,413.49
  4. Step 4: Simplify right side
    8,950.28x = 66,870,243.49
  5. Step 5: Solve for x
    x = 66,870,243.49/8,950.28
  6. Step 6: Final answer
    x = 7,471.30

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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.