Home / 11,418.84-17,129.88-3,522.02

Finding the Fourth Proportional to 11,418.84, 17,129.88 and 3,522.02

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Solution

The fourth proportional to 11,418.84, 17,129.88 and 3,522.02 is: 5,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.84 : 17,129.88 = 3,522.02 : x
  2. Step 2: Convert to fraction form
    11,418.84/17,129.88 = 3,522.02/x
  3. Step 3: Cross multiply
    11,418.84x = 17,129.88 × 3,522.02
  4. Step 4: Simplify right side
    11,418.84x = 60,331,779.96
  5. Step 5: Solve for x
    x = 60,331,779.96/11,418.84
  6. Step 6: Final answer
    x = 5,283.53

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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.