Home / 7,826.82-11,737.44-3,666.12

Finding the Fourth Proportional to 7,826.82, 11,737.44 and 3,666.12

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Solution

The fourth proportional to 7,826.82, 11,737.44 and 3,666.12 is: 5,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.82 : 11,737.44 = 3,666.12 : x
  2. Step 2: Convert to fraction form
    7,826.82/11,737.44 = 3,666.12/x
  3. Step 3: Cross multiply
    7,826.82x = 11,737.44 × 3,666.12
  4. Step 4: Simplify right side
    7,826.82x = 43,030,863.53
  5. Step 5: Solve for x
    x = 43,030,863.53/7,826.82
  6. Step 6: Final answer
    x = 5,497.87

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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.