Home / 11,617.20-17,428.38-3,825.48

Finding the Fourth Proportional to 11,617.20, 17,428.38 and 3,825.48

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Solution

The fourth proportional to 11,617.20, 17,428.38 and 3,825.48 is: 5,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.20 : 17,428.38 = 3,825.48 : x
  2. Step 2: Convert to fraction form
    11,617.20/17,428.38 = 3,825.48/x
  3. Step 3: Cross multiply
    11,617.20x = 17,428.38 × 3,825.48
  4. Step 4: Simplify right side
    11,617.20x = 66,671,919.12
  5. Step 5: Solve for x
    x = 66,671,919.12/11,617.20
  6. Step 6: Final answer
    x = 5,739.07

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1.5x scale

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.