Home / 8,950.41-13,425.75-3,107.21

Finding the Fourth Proportional to 8,950.41, 13,425.75 and 3,107.21

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Solution

The fourth proportional to 8,950.41, 13,425.75 and 3,107.21 is: 4,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.41 : 13,425.75 = 3,107.21 : x
  2. Step 2: Convert to fraction form
    8,950.41/13,425.75 = 3,107.21/x
  3. Step 3: Cross multiply
    8,950.41x = 13,425.75 × 3,107.21
  4. Step 4: Simplify right side
    8,950.41x = 41,716,557.53
  5. Step 5: Solve for x
    x = 41,716,557.53/8,950.41
  6. Step 6: Final answer
    x = 4,660.85

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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.