Home / 10,627.39-15,941.66-3,231.28

Finding the Fourth Proportional to 10,627.39, 15,941.66 and 3,231.28

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Solution

The fourth proportional to 10,627.39, 15,941.66 and 3,231.28 is: 4,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.39 : 15,941.66 = 3,231.28 : x
  2. Step 2: Convert to fraction form
    10,627.39/15,941.66 = 3,231.28/x
  3. Step 3: Cross multiply
    10,627.39x = 15,941.66 × 3,231.28
  4. Step 4: Simplify right side
    10,627.39x = 51,511,967.12
  5. Step 5: Solve for x
    x = 51,511,967.12/10,627.39
  6. Step 6: Final answer
    x = 4,847.09

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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.