Home / 8,318.50-12,467.72-3,049.25

Finding the Fourth Proportional to 8,318.50, 12,467.72 and 3,049.25

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Solution

The fourth proportional to 8,318.50, 12,467.72 and 3,049.25 is: 4,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.50 : 12,467.72 = 3,049.25 : x
  2. Step 2: Convert to fraction form
    8,318.50/12,467.72 = 3,049.25/x
  3. Step 3: Cross multiply
    8,318.50x = 12,467.72 × 3,049.25
  4. Step 4: Simplify right side
    8,318.50x = 38,017,140.49
  5. Step 5: Solve for x
    x = 38,017,140.49/8,318.50
  6. Step 6: Final answer
    x = 4,570.19

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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.