Finding the Fourth Proportional to 10.01, 15.01 and 5.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10.01 : 15.01 = 5.50 : x
2. Step 2: Convert to fraction form
   10.01/15.01 = 5.50/x
3. Step 3: Cross multiply
   10.01x = 15.01 × 5.50
4. Step 4: Simplify right side
   10.01x = 82.56
5. Step 5: Solve for x
   x = 82.56/10.01
6. Step 6: Final answer
   x = 8.25