Home / 11,913.68-17,872.34-3,592.62

Finding the Fourth Proportional to 11,913.68, 17,872.34 and 3,592.62

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Solution

The fourth proportional to 11,913.68, 17,872.34 and 3,592.62 is: 5,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.68 : 17,872.34 = 3,592.62 : x
  2. Step 2: Convert to fraction form
    11,913.68/17,872.34 = 3,592.62/x
  3. Step 3: Cross multiply
    11,913.68x = 17,872.34 × 3,592.62
  4. Step 4: Simplify right side
    11,913.68x = 64,208,508.17
  5. Step 5: Solve for x
    x = 64,208,508.17/11,913.68
  6. Step 6: Final answer
    x = 5,389.48

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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.