Home / 11,131.22-15,361.08-6,163.22

Finding the Fourth Proportional to 11,131.22, 15,361.08 and 6,163.22

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Solution

The fourth proportional to 11,131.22, 15,361.08 and 6,163.22 is: 8,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.22 : 15,361.08 = 6,163.22 : x
  2. Step 2: Convert to fraction form
    11,131.22/15,361.08 = 6,163.22/x
  3. Step 3: Cross multiply
    11,131.22x = 15,361.08 × 6,163.22
  4. Step 4: Simplify right side
    11,131.22x = 94,673,753.88
  5. Step 5: Solve for x
    x = 94,673,753.88/11,131.22
  6. Step 6: Final answer
    x = 8,505.24

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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.