Home / 8,002.26-12,002.58-2,455.65

Finding the Fourth Proportional to 8,002.26, 12,002.58 and 2,455.65

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Solution

The fourth proportional to 8,002.26, 12,002.58 and 2,455.65 is: 3,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.26 : 12,002.58 = 2,455.65 : x
  2. Step 2: Convert to fraction form
    8,002.26/12,002.58 = 2,455.65/x
  3. Step 3: Cross multiply
    8,002.26x = 12,002.58 × 2,455.65
  4. Step 4: Simplify right side
    8,002.26x = 29,474,135.58
  5. Step 5: Solve for x
    x = 29,474,135.58/8,002.26
  6. Step 6: Final answer
    x = 3,683.23

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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.