Home / 11,861.91-17,790.75-3,096.36

Finding the Fourth Proportional to 11,861.91, 17,790.75 and 3,096.36

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Solution

The fourth proportional to 11,861.91, 17,790.75 and 3,096.36 is: 4,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.91 : 17,790.75 = 3,096.36 : x
  2. Step 2: Convert to fraction form
    11,861.91/17,790.75 = 3,096.36/x
  3. Step 3: Cross multiply
    11,861.91x = 17,790.75 × 3,096.36
  4. Step 4: Simplify right side
    11,861.91x = 55,086,566.67
  5. Step 5: Solve for x
    x = 55,086,566.67/11,861.91
  6. Step 6: Final answer
    x = 4,643.99

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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.