Home / 11,139.45-16,709.18-3,348.26

Finding the Fourth Proportional to 11,139.45, 16,709.18 and 3,348.26

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Solution

The fourth proportional to 11,139.45, 16,709.18 and 3,348.26 is: 5,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139.45 : 16,709.18 = 3,348.26 : x
  2. Step 2: Convert to fraction form
    11,139.45/16,709.18 = 3,348.26/x
  3. Step 3: Cross multiply
    11,139.45x = 16,709.18 × 3,348.26
  4. Step 4: Simplify right side
    11,139.45x = 55,946,679.03
  5. Step 5: Solve for x
    x = 55,946,679.03/11,139.45
  6. Step 6: Final answer
    x = 5,022.39

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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.