Home / 11,141.97-15,372.62-6,361.75

Finding the Fourth Proportional to 11,141.97, 15,372.62 and 6,361.75

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Solution

The fourth proportional to 11,141.97, 15,372.62 and 6,361.75 is: 8,777.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.97 : 15,372.62 = 6,361.75 : x
  2. Step 2: Convert to fraction form
    11,141.97/15,372.62 = 6,361.75/x
  3. Step 3: Cross multiply
    11,141.97x = 15,372.62 × 6,361.75
  4. Step 4: Simplify right side
    11,141.97x = 97,796,733.48
  5. Step 5: Solve for x
    x = 97,796,733.48/11,141.97
  6. Step 6: Final answer
    x = 8,777.33

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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.