Home / 7,641.05-11,463.39-2,711.12

Finding the Fourth Proportional to 7,641.05, 11,463.39 and 2,711.12

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Solution

The fourth proportional to 7,641.05, 11,463.39 and 2,711.12 is: 4,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.05 : 11,463.39 = 2,711.12 : x
  2. Step 2: Convert to fraction form
    7,641.05/11,463.39 = 2,711.12/x
  3. Step 3: Cross multiply
    7,641.05x = 11,463.39 × 2,711.12
  4. Step 4: Simplify right side
    7,641.05x = 31,078,568.58
  5. Step 5: Solve for x
    x = 31,078,568.58/7,641.05
  6. Step 6: Final answer
    x = 4,067.32

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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.