Home / 10,072.25-15,093.78-5,680.37

Finding the Fourth Proportional to 10,072.25, 15,093.78 and 5,680.37

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Solution

The fourth proportional to 10,072.25, 15,093.78 and 5,680.37 is: 8,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.25 : 15,093.78 = 5,680.37 : x
  2. Step 2: Convert to fraction form
    10,072.25/15,093.78 = 5,680.37/x
  3. Step 3: Cross multiply
    10,072.25x = 15,093.78 × 5,680.37
  4. Step 4: Simplify right side
    10,072.25x = 85,738,226.70
  5. Step 5: Solve for x
    x = 85,738,226.70/10,072.25
  6. Step 6: Final answer
    x = 8,512.32

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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.