Home / 10,676.72-16,012.80-4,100.60

Finding the Fourth Proportional to 10,676.72, 16,012.80 and 4,100.60

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Solution

The fourth proportional to 10,676.72, 16,012.80 and 4,100.60 is: 6,150.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676.72 : 16,012.80 = 4,100.60 : x
  2. Step 2: Convert to fraction form
    10,676.72/16,012.80 = 4,100.60/x
  3. Step 3: Cross multiply
    10,676.72x = 16,012.80 × 4,100.60
  4. Step 4: Simplify right side
    10,676.72x = 65,662,087.68
  5. Step 5: Solve for x
    x = 65,662,087.68/10,676.72
  6. Step 6: Final answer
    x = 6,150.02

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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.