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Finding the Fourth Proportional to 11,347.49, 16,992.07 and 6,951.62

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Solution

The fourth proportional to 11,347.49, 16,992.07 and 6,951.62 is: 10,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.49 : 16,992.07 = 6,951.62 : x
  2. Step 2: Convert to fraction form
    11,347.49/16,992.07 = 6,951.62/x
  3. Step 3: Cross multiply
    11,347.49x = 16,992.07 × 6,951.62
  4. Step 4: Simplify right side
    11,347.49x = 118,122,413.65
  5. Step 5: Solve for x
    x = 118,122,413.65/11,347.49
  6. Step 6: Final answer
    x = 10,409.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.