Home / 11,192.72-15,446.38-6,413.42

Finding the Fourth Proportional to 11,192.72, 15,446.38 and 6,413.42

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Solution

The fourth proportional to 11,192.72, 15,446.38 and 6,413.42 is: 8,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.72 : 15,446.38 = 6,413.42 : x
  2. Step 2: Convert to fraction form
    11,192.72/15,446.38 = 6,413.42/x
  3. Step 3: Cross multiply
    11,192.72x = 15,446.38 × 6,413.42
  4. Step 4: Simplify right side
    11,192.72x = 99,064,122.42
  5. Step 5: Solve for x
    x = 99,064,122.42/11,192.72
  6. Step 6: Final answer
    x = 8,850.76

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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.