Home / 11,353.87-17,028.80-3,454.48

Finding the Fourth Proportional to 11,353.87, 17,028.80 and 3,454.48

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Solution

The fourth proportional to 11,353.87, 17,028.80 and 3,454.48 is: 5,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.87 : 17,028.80 = 3,454.48 : x
  2. Step 2: Convert to fraction form
    11,353.87/17,028.80 = 3,454.48/x
  3. Step 3: Cross multiply
    11,353.87x = 17,028.80 × 3,454.48
  4. Step 4: Simplify right side
    11,353.87x = 58,825,665.99
  5. Step 5: Solve for x
    x = 58,825,665.99/11,353.87
  6. Step 6: Final answer
    x = 5,181.11

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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.