Home / 11,861.29-17,792.13-3,541.48

Finding the Fourth Proportional to 11,861.29, 17,792.13 and 3,541.48

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Solution

The fourth proportional to 11,861.29, 17,792.13 and 3,541.48 is: 5,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.29 : 17,792.13 = 3,541.48 : x
  2. Step 2: Convert to fraction form
    11,861.29/17,792.13 = 3,541.48/x
  3. Step 3: Cross multiply
    11,861.29x = 17,792.13 × 3,541.48
  4. Step 4: Simplify right side
    11,861.29x = 63,010,472.55
  5. Step 5: Solve for x
    x = 63,010,472.55/11,861.29
  6. Step 6: Final answer
    x = 5,312.28

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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.