Home / 11,914.88-17,872.52-4,522.84

Finding the Fourth Proportional to 11,914.88, 17,872.52 and 4,522.84

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Solution

The fourth proportional to 11,914.88, 17,872.52 and 4,522.84 is: 6,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.88 : 17,872.52 = 4,522.84 : x
  2. Step 2: Convert to fraction form
    11,914.88/17,872.52 = 4,522.84/x
  3. Step 3: Cross multiply
    11,914.88x = 17,872.52 × 4,522.84
  4. Step 4: Simplify right side
    11,914.88x = 80,834,548.36
  5. Step 5: Solve for x
    x = 80,834,548.36/11,914.88
  6. Step 6: Final answer
    x = 6,784.34

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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.