Home / 8,950.45-13,425.66-3,107.11

Finding the Fourth Proportional to 8,950.45, 13,425.66 and 3,107.11

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Solution

The fourth proportional to 8,950.45, 13,425.66 and 3,107.11 is: 4,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.45 : 13,425.66 = 3,107.11 : x
  2. Step 2: Convert to fraction form
    8,950.45/13,425.66 = 3,107.11/x
  3. Step 3: Cross multiply
    8,950.45x = 13,425.66 × 3,107.11
  4. Step 4: Simplify right side
    8,950.45x = 41,714,935.31
  5. Step 5: Solve for x
    x = 41,714,935.31/8,950.45
  6. Step 6: Final answer
    x = 4,660.65

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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.