Home / 7,542.96-11,320.68-3,847.92

Finding the Fourth Proportional to 7,542.96, 11,320.68 and 3,847.92

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Solution

The fourth proportional to 7,542.96, 11,320.68 and 3,847.92 is: 5,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.96 : 11,320.68 = 3,847.92 : x
  2. Step 2: Convert to fraction form
    7,542.96/11,320.68 = 3,847.92/x
  3. Step 3: Cross multiply
    7,542.96x = 11,320.68 × 3,847.92
  4. Step 4: Simplify right side
    7,542.96x = 43,561,070.99
  5. Step 5: Solve for x
    x = 43,561,070.99/7,542.96
  6. Step 6: Final answer
    x = 5,775.06

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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.