Home / 11,821.68-17,735.28-4,030.56

Finding the Fourth Proportional to 11,821.68, 17,735.28 and 4,030.56

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Solution

The fourth proportional to 11,821.68, 17,735.28 and 4,030.56 is: 6,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.68 : 17,735.28 = 4,030.56 : x
  2. Step 2: Convert to fraction form
    11,821.68/17,735.28 = 4,030.56/x
  3. Step 3: Cross multiply
    11,821.68x = 17,735.28 × 4,030.56
  4. Step 4: Simplify right side
    11,821.68x = 71,483,110.16
  5. Step 5: Solve for x
    x = 71,483,110.16/11,821.68
  6. Step 6: Final answer
    x = 6,046.78

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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.