Home / 11,821.67-17,732.45-3,501.74

Finding the Fourth Proportional to 11,821.67, 17,732.45 and 3,501.74

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Solution

The fourth proportional to 11,821.67, 17,732.45 and 3,501.74 is: 5,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.67 : 17,732.45 = 3,501.74 : x
  2. Step 2: Convert to fraction form
    11,821.67/17,732.45 = 3,501.74/x
  3. Step 3: Cross multiply
    11,821.67x = 17,732.45 × 3,501.74
  4. Step 4: Simplify right side
    11,821.67x = 62,094,429.46
  5. Step 5: Solve for x
    x = 62,094,429.46/11,821.67
  6. Step 6: Final answer
    x = 5,252.59

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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.