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Finding the Fourth Proportional to 8,335.33, 12,413.43 and 7,975.50

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Solution

The fourth proportional to 8,335.33, 12,413.43 and 7,975.50 is: 11,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.33 : 12,413.43 = 7,975.50 : x
  2. Step 2: Convert to fraction form
    8,335.33/12,413.43 = 7,975.50/x
  3. Step 3: Cross multiply
    8,335.33x = 12,413.43 × 7,975.50
  4. Step 4: Simplify right side
    8,335.33x = 99,003,310.97
  5. Step 5: Solve for x
    x = 99,003,310.97/8,335.33
  6. Step 6: Final answer
    x = 11,877.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.