Home / 9,413.08-12,986.94-6,268.12

Finding the Fourth Proportional to 9,413.08, 12,986.94 and 6,268.12

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Solution

The fourth proportional to 9,413.08, 12,986.94 and 6,268.12 is: 8,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.08 : 12,986.94 = 6,268.12 : x
  2. Step 2: Convert to fraction form
    9,413.08/12,986.94 = 6,268.12/x
  3. Step 3: Cross multiply
    9,413.08x = 12,986.94 × 6,268.12
  4. Step 4: Simplify right side
    9,413.08x = 81,403,698.35
  5. Step 5: Solve for x
    x = 81,403,698.35/9,413.08
  6. Step 6: Final answer
    x = 8,647.93

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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.