Home / 11,861.56-17,794.88-3,964.77

Finding the Fourth Proportional to 11,861.56, 17,794.88 and 3,964.77

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Solution

The fourth proportional to 11,861.56, 17,794.88 and 3,964.77 is: 5,948.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.56 : 17,794.88 = 3,964.77 : x
  2. Step 2: Convert to fraction form
    11,861.56/17,794.88 = 3,964.77/x
  3. Step 3: Cross multiply
    11,861.56x = 17,794.88 × 3,964.77
  4. Step 4: Simplify right side
    11,861.56x = 70,552,606.38
  5. Step 5: Solve for x
    x = 70,552,606.38/11,861.56
  6. Step 6: Final answer
    x = 5,948.00

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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.