Home / 7,338.55-11,008.66-2,660.75

Finding the Fourth Proportional to 7,338.55, 11,008.66 and 2,660.75

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Solution

The fourth proportional to 7,338.55, 11,008.66 and 2,660.75 is: 3,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.55 : 11,008.66 = 2,660.75 : x
  2. Step 2: Convert to fraction form
    7,338.55/11,008.66 = 2,660.75/x
  3. Step 3: Cross multiply
    7,338.55x = 11,008.66 × 2,660.75
  4. Step 4: Simplify right side
    7,338.55x = 29,291,276.67
  5. Step 5: Solve for x
    x = 29,291,276.67/7,338.55
  6. Step 6: Final answer
    x = 3,991.43

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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.