Home / 11,818.28-17,722.08-3,495.44

Finding the Fourth Proportional to 11,818.28, 17,722.08 and 3,495.44

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Solution

The fourth proportional to 11,818.28, 17,722.08 and 3,495.44 is: 5,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.28 : 17,722.08 = 3,495.44 : x
  2. Step 2: Convert to fraction form
    11,818.28/17,722.08 = 3,495.44/x
  3. Step 3: Cross multiply
    11,818.28x = 17,722.08 × 3,495.44
  4. Step 4: Simplify right side
    11,818.28x = 61,946,467.32
  5. Step 5: Solve for x
    x = 61,946,467.32/11,818.28
  6. Step 6: Final answer
    x = 5,241.58

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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.