Home / 10,201.44-15,300.19-3,181.53

Finding the Fourth Proportional to 10,201.44, 15,300.19 and 3,181.53

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Solution

The fourth proportional to 10,201.44, 15,300.19 and 3,181.53 is: 4,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.44 : 15,300.19 = 3,181.53 : x
  2. Step 2: Convert to fraction form
    10,201.44/15,300.19 = 3,181.53/x
  3. Step 3: Cross multiply
    10,201.44x = 15,300.19 × 3,181.53
  4. Step 4: Simplify right side
    10,201.44x = 48,678,013.49
  5. Step 5: Solve for x
    x = 48,678,013.49/10,201.44
  6. Step 6: Final answer
    x = 4,771.68

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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.