Home / 10,983.80-16,467.60-4,738.70

Finding the Fourth Proportional to 10,983.80, 16,467.60 and 4,738.70

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Solution

The fourth proportional to 10,983.80, 16,467.60 and 4,738.70 is: 7,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.80 : 16,467.60 = 4,738.70 : x
  2. Step 2: Convert to fraction form
    10,983.80/16,467.60 = 4,738.70/x
  3. Step 3: Cross multiply
    10,983.80x = 16,467.60 × 4,738.70
  4. Step 4: Simplify right side
    10,983.80x = 78,035,016.12
  5. Step 5: Solve for x
    x = 78,035,016.12/10,983.80
  6. Step 6: Final answer
    x = 7,104.56

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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.