Home / 11,961.59-17,943.19-4,064.90

Finding the Fourth Proportional to 11,961.59, 17,943.19 and 4,064.90

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Solution

The fourth proportional to 11,961.59, 17,943.19 and 4,064.90 is: 6,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.59 : 17,943.19 = 4,064.90 : x
  2. Step 2: Convert to fraction form
    11,961.59/17,943.19 = 4,064.90/x
  3. Step 3: Cross multiply
    11,961.59x = 17,943.19 × 4,064.90
  4. Step 4: Simplify right side
    11,961.59x = 72,937,173.15
  5. Step 5: Solve for x
    x = 72,937,173.15/11,961.59
  6. Step 6: Final answer
    x = 6,097.62

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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.