Home / 10,630.44-15,949.71-4,791.15

Finding the Fourth Proportional to 10,630.44, 15,949.71 and 4,791.15

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Solution

The fourth proportional to 10,630.44, 15,949.71 and 4,791.15 is: 7,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.44 : 15,949.71 = 4,791.15 : x
  2. Step 2: Convert to fraction form
    10,630.44/15,949.71 = 4,791.15/x
  3. Step 3: Cross multiply
    10,630.44x = 15,949.71 × 4,791.15
  4. Step 4: Simplify right side
    10,630.44x = 76,417,453.07
  5. Step 5: Solve for x
    x = 76,417,453.07/10,630.44
  6. Step 6: Final answer
    x = 7,188.55

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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.