Home / 7,382.21-11,072.19-2,451.92

Finding the Fourth Proportional to 7,382.21, 11,072.19 and 2,451.92

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Solution

The fourth proportional to 7,382.21, 11,072.19 and 2,451.92 is: 3,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.21 : 11,072.19 = 2,451.92 : x
  2. Step 2: Convert to fraction form
    7,382.21/11,072.19 = 2,451.92/x
  3. Step 3: Cross multiply
    7,382.21x = 11,072.19 × 2,451.92
  4. Step 4: Simplify right side
    7,382.21x = 27,148,124.10
  5. Step 5: Solve for x
    x = 27,148,124.10/7,382.21
  6. Step 6: Final answer
    x = 3,677.51

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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.