Home / 12,961.97-19,446.03-4,196.87

Finding the Fourth Proportional to 12,961.97, 19,446.03 and 4,196.87

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Solution

The fourth proportional to 12,961.97, 19,446.03 and 4,196.87 is: 6,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961.97 : 19,446.03 = 4,196.87 : x
  2. Step 2: Convert to fraction form
    12,961.97/19,446.03 = 4,196.87/x
  3. Step 3: Cross multiply
    12,961.97x = 19,446.03 × 4,196.87
  4. Step 4: Simplify right side
    12,961.97x = 81,612,459.93
  5. Step 5: Solve for x
    x = 81,612,459.93/12,961.97
  6. Step 6: Final answer
    x = 6,296.30

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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.