Home / 11,258.87-16,889.31-3,361.23

Finding the Fourth Proportional to 11,258.87, 16,889.31 and 3,361.23

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Solution

The fourth proportional to 11,258.87, 16,889.31 and 3,361.23 is: 5,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.87 : 16,889.31 = 3,361.23 : x
  2. Step 2: Convert to fraction form
    11,258.87/16,889.31 = 3,361.23/x
  3. Step 3: Cross multiply
    11,258.87x = 16,889.31 × 3,361.23
  4. Step 4: Simplify right side
    11,258.87x = 56,768,855.45
  5. Step 5: Solve for x
    x = 56,768,855.45/11,258.87
  6. Step 6: Final answer
    x = 5,042.15

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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.