Home / 11,948.85-17,927.19-3,629.21

Finding the Fourth Proportional to 11,948.85, 17,927.19 and 3,629.21

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Solution

The fourth proportional to 11,948.85, 17,927.19 and 3,629.21 is: 5,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.85 : 17,927.19 = 3,629.21 : x
  2. Step 2: Convert to fraction form
    11,948.85/17,927.19 = 3,629.21/x
  3. Step 3: Cross multiply
    11,948.85x = 17,927.19 × 3,629.21
  4. Step 4: Simplify right side
    11,948.85x = 65,061,447.58
  5. Step 5: Solve for x
    x = 65,061,447.58/11,948.85
  6. Step 6: Final answer
    x = 5,445.00

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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.