Home / 8,365.28-11,542.20-5,676.87

Finding the Fourth Proportional to 8,365.28, 11,542.20 and 5,676.87

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Solution

The fourth proportional to 8,365.28, 11,542.20 and 5,676.87 is: 7,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.28 : 11,542.20 = 5,676.87 : x
  2. Step 2: Convert to fraction form
    8,365.28/11,542.20 = 5,676.87/x
  3. Step 3: Cross multiply
    8,365.28x = 11,542.20 × 5,676.87
  4. Step 4: Simplify right side
    8,365.28x = 65,523,525.98
  5. Step 5: Solve for x
    x = 65,523,525.98/8,365.28
  6. Step 6: Final answer
    x = 7,832.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.