Home / 11,936.42-17,915.57-6,396.02

Finding the Fourth Proportional to 11,936.42, 17,915.57 and 6,396.02

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Solution

The fourth proportional to 11,936.42, 17,915.57 and 6,396.02 is: 9,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.42 : 17,915.57 = 6,396.02 : x
  2. Step 2: Convert to fraction form
    11,936.42/17,915.57 = 6,396.02/x
  3. Step 3: Cross multiply
    11,936.42x = 17,915.57 × 6,396.02
  4. Step 4: Simplify right side
    11,936.42x = 114,588,344.03
  5. Step 5: Solve for x
    x = 114,588,344.03/11,936.42
  6. Step 6: Final answer
    x = 9,599.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.