Home / 7,380.92-11,069.49-2,185.58

Finding the Fourth Proportional to 7,380.92, 11,069.49 and 2,185.58

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Solution

The fourth proportional to 7,380.92, 11,069.49 and 2,185.58 is: 3,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.92 : 11,069.49 = 2,185.58 : x
  2. Step 2: Convert to fraction form
    7,380.92/11,069.49 = 2,185.58/x
  3. Step 3: Cross multiply
    7,380.92x = 11,069.49 × 2,185.58
  4. Step 4: Simplify right side
    7,380.92x = 24,193,291.82
  5. Step 5: Solve for x
    x = 24,193,291.82/7,380.92
  6. Step 6: Final answer
    x = 3,277.81

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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.