Home / 8,025.50-11,087.41-6,413.90

Finding the Fourth Proportional to 8,025.50, 11,087.41 and 6,413.90

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Solution

The fourth proportional to 8,025.50, 11,087.41 and 6,413.90 is: 8,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.50 : 11,087.41 = 6,413.90 : x
  2. Step 2: Convert to fraction form
    8,025.50/11,087.41 = 6,413.90/x
  3. Step 3: Cross multiply
    8,025.50x = 11,087.41 × 6,413.90
  4. Step 4: Simplify right side
    8,025.50x = 71,113,539.00
  5. Step 5: Solve for x
    x = 71,113,539.00/8,025.50
  6. Step 6: Final answer
    x = 8,860.95

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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.