Home / 8,413.75-11,600.19-6,895.72

Finding the Fourth Proportional to 8,413.75, 11,600.19 and 6,895.72

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Solution

The fourth proportional to 8,413.75, 11,600.19 and 6,895.72 is: 9,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.75 : 11,600.19 = 6,895.72 : x
  2. Step 2: Convert to fraction form
    8,413.75/11,600.19 = 6,895.72/x
  3. Step 3: Cross multiply
    8,413.75x = 11,600.19 × 6,895.72
  4. Step 4: Simplify right side
    8,413.75x = 79,991,662.19
  5. Step 5: Solve for x
    x = 79,991,662.19/8,413.75
  6. Step 6: Final answer
    x = 9,507.25

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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.