Home / 8,151.70-12,228.45-2,604.10

Finding the Fourth Proportional to 8,151.70, 12,228.45 and 2,604.10

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Solution

The fourth proportional to 8,151.70, 12,228.45 and 2,604.10 is: 3,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.70 : 12,228.45 = 2,604.10 : x
  2. Step 2: Convert to fraction form
    8,151.70/12,228.45 = 2,604.10/x
  3. Step 3: Cross multiply
    8,151.70x = 12,228.45 × 2,604.10
  4. Step 4: Simplify right side
    8,151.70x = 31,844,106.65
  5. Step 5: Solve for x
    x = 31,844,106.65/8,151.70
  6. Step 6: Final answer
    x = 3,906.44

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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.