Home / 11,861.49-17,791.62-3,541.58

Finding the Fourth Proportional to 11,861.49, 17,791.62 and 3,541.58

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Solution

The fourth proportional to 11,861.49, 17,791.62 and 3,541.58 is: 5,312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.49 : 17,791.62 = 3,541.58 : x
  2. Step 2: Convert to fraction form
    11,861.49/17,791.62 = 3,541.58/x
  3. Step 3: Cross multiply
    11,861.49x = 17,791.62 × 3,541.58
  4. Step 4: Simplify right side
    11,861.49x = 63,010,365.46
  5. Step 5: Solve for x
    x = 63,010,365.46/11,861.49
  6. Step 6: Final answer
    x = 5,312.18

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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.