Home / 11,821.65-17,732.53-3,501.82

Finding the Fourth Proportional to 11,821.65, 17,732.53 and 3,501.82

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Solution

The fourth proportional to 11,821.65, 17,732.53 and 3,501.82 is: 5,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.65 : 17,732.53 = 3,501.82 : x
  2. Step 2: Convert to fraction form
    11,821.65/17,732.53 = 3,501.82/x
  3. Step 3: Cross multiply
    11,821.65x = 17,732.53 × 3,501.82
  4. Step 4: Simplify right side
    11,821.65x = 62,096,128.20
  5. Step 5: Solve for x
    x = 62,096,128.20/11,821.65
  6. Step 6: Final answer
    x = 5,252.75

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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.