Home / 7,378.48-11,067.76-2,184.40

Finding the Fourth Proportional to 7,378.48, 11,067.76 and 2,184.40

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Solution

The fourth proportional to 7,378.48, 11,067.76 and 2,184.40 is: 3,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.48 : 11,067.76 = 2,184.40 : x
  2. Step 2: Convert to fraction form
    7,378.48/11,067.76 = 2,184.40/x
  3. Step 3: Cross multiply
    7,378.48x = 11,067.76 × 2,184.40
  4. Step 4: Simplify right side
    7,378.48x = 24,176,414.94
  5. Step 5: Solve for x
    x = 24,176,414.94/7,378.48
  6. Step 6: Final answer
    x = 3,276.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.