Home / 11,344.32-17,015.36-3,553.20

Finding the Fourth Proportional to 11,344.32, 17,015.36 and 3,553.20

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Solution

The fourth proportional to 11,344.32, 17,015.36 and 3,553.20 is: 5,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.32 : 17,015.36 = 3,553.20 : x
  2. Step 2: Convert to fraction form
    11,344.32/17,015.36 = 3,553.20/x
  3. Step 3: Cross multiply
    11,344.32x = 17,015.36 × 3,553.20
  4. Step 4: Simplify right side
    11,344.32x = 60,458,977.15
  5. Step 5: Solve for x
    x = 60,458,977.15/11,344.32
  6. Step 6: Final answer
    x = 5,329.45

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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.