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Finding the Fourth Proportional to 11,169.94, 15,413.90 and 6,134.82

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Solution

The fourth proportional to 11,169.94, 15,413.90 and 6,134.82 is: 8,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.94 : 15,413.90 = 6,134.82 : x
  2. Step 2: Convert to fraction form
    11,169.94/15,413.90 = 6,134.82/x
  3. Step 3: Cross multiply
    11,169.94x = 15,413.90 × 6,134.82
  4. Step 4: Simplify right side
    11,169.94x = 94,561,424.93
  5. Step 5: Solve for x
    x = 94,561,424.93/11,169.94
  6. Step 6: Final answer
    x = 8,465.71

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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.