Home / 10,108.99-15,153.09-3,867.54

Finding the Fourth Proportional to 10,108.99, 15,153.09 and 3,867.54

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Solution

The fourth proportional to 10,108.99, 15,153.09 and 3,867.54 is: 5,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.99 : 15,153.09 = 3,867.54 : x
  2. Step 2: Convert to fraction form
    10,108.99/15,153.09 = 3,867.54/x
  3. Step 3: Cross multiply
    10,108.99x = 15,153.09 × 3,867.54
  4. Step 4: Simplify right side
    10,108.99x = 58,605,181.70
  5. Step 5: Solve for x
    x = 58,605,181.70/10,108.99
  6. Step 6: Final answer
    x = 5,797.33

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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.