Home / 11,718.45-16,171.25-6,413.13

Finding the Fourth Proportional to 11,718.45, 16,171.25 and 6,413.13

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Solution

The fourth proportional to 11,718.45, 16,171.25 and 6,413.13 is: 8,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.45 : 16,171.25 = 6,413.13 : x
  2. Step 2: Convert to fraction form
    11,718.45/16,171.25 = 6,413.13/x
  3. Step 3: Cross multiply
    11,718.45x = 16,171.25 × 6,413.13
  4. Step 4: Simplify right side
    11,718.45x = 103,708,296.45
  5. Step 5: Solve for x
    x = 103,708,296.45/11,718.45
  6. Step 6: Final answer
    x = 8,850.00

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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.