Home / 11,952.08-17,915.88-4,156.64

Finding the Fourth Proportional to 11,952.08, 17,915.88 and 4,156.64

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Solution

The fourth proportional to 11,952.08, 17,915.88 and 4,156.64 is: 6,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.08 : 17,915.88 = 4,156.64 : x
  2. Step 2: Convert to fraction form
    11,952.08/17,915.88 = 4,156.64/x
  3. Step 3: Cross multiply
    11,952.08x = 17,915.88 × 4,156.64
  4. Step 4: Simplify right side
    11,952.08x = 74,469,863.44
  5. Step 5: Solve for x
    x = 74,469,863.44/11,952.08
  6. Step 6: Final answer
    x = 6,230.70

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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.