Home / 7,676.48-11,507.54-6,991.73

Finding the Fourth Proportional to 7,676.48, 11,507.54 and 6,991.73

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Solution

The fourth proportional to 7,676.48, 11,507.54 and 6,991.73 is: 10,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.48 : 11,507.54 = 6,991.73 : x
  2. Step 2: Convert to fraction form
    7,676.48/11,507.54 = 6,991.73/x
  3. Step 3: Cross multiply
    7,676.48x = 11,507.54 × 6,991.73
  4. Step 4: Simplify right side
    7,676.48x = 80,457,563.30
  5. Step 5: Solve for x
    x = 80,457,563.30/7,676.48
  6. Step 6: Final answer
    x = 10,481.05

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1.5x scale

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.