Home / 11,293.58-16,939.71-3,898.14

Finding the Fourth Proportional to 11,293.58, 16,939.71 and 3,898.14

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Solution

The fourth proportional to 11,293.58, 16,939.71 and 3,898.14 is: 5,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.58 : 16,939.71 = 3,898.14 : x
  2. Step 2: Convert to fraction form
    11,293.58/16,939.71 = 3,898.14/x
  3. Step 3: Cross multiply
    11,293.58x = 16,939.71 × 3,898.14
  4. Step 4: Simplify right side
    11,293.58x = 66,033,361.14
  5. Step 5: Solve for x
    x = 66,033,361.14/11,293.58
  6. Step 6: Final answer
    x = 5,846.98

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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.