Home / 11,192.45-15,446.72-6,413.03

Finding the Fourth Proportional to 11,192.45, 15,446.72 and 6,413.03

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Solution

The fourth proportional to 11,192.45, 15,446.72 and 6,413.03 is: 8,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.45 : 15,446.72 = 6,413.03 : x
  2. Step 2: Convert to fraction form
    11,192.45/15,446.72 = 6,413.03/x
  3. Step 3: Cross multiply
    11,192.45x = 15,446.72 × 6,413.03
  4. Step 4: Simplify right side
    11,192.45x = 99,060,262.73
  5. Step 5: Solve for x
    x = 99,060,262.73/11,192.45
  6. Step 6: Final answer
    x = 8,850.63

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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.