Home / 10,990.44-16,488.12-3,494.43

Finding the Fourth Proportional to 10,990.44, 16,488.12 and 3,494.43

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Solution

The fourth proportional to 10,990.44, 16,488.12 and 3,494.43 is: 5,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.44 : 16,488.12 = 3,494.43 : x
  2. Step 2: Convert to fraction form
    10,990.44/16,488.12 = 3,494.43/x
  3. Step 3: Cross multiply
    10,990.44x = 16,488.12 × 3,494.43
  4. Step 4: Simplify right side
    10,990.44x = 57,616,581.17
  5. Step 5: Solve for x
    x = 57,616,581.17/10,990.44
  6. Step 6: Final answer
    x = 5,242.43

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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.