Home / 11,748.20-17,622.20-2,983

Finding the Fourth Proportional to 11,748.20, 17,622.20 and 2,983

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Solution

The fourth proportional to 11,748.20, 17,622.20 and 2,983 is: 4,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.20 : 17,622.20 = 2,983 : x
  2. Step 2: Convert to fraction form
    11,748.20/17,622.20 = 2,983/x
  3. Step 3: Cross multiply
    11,748.20x = 17,622.20 × 2,983
  4. Step 4: Simplify right side
    11,748.20x = 52,567,022.60
  5. Step 5: Solve for x
    x = 52,567,022.60/11,748.20
  6. Step 6: Final answer
    x = 4,474.47

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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.