Home / 8,626.53-12,937.77-3,698.49

Finding the Fourth Proportional to 8,626.53, 12,937.77 and 3,698.49

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Solution

The fourth proportional to 8,626.53, 12,937.77 and 3,698.49 is: 5,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.53 : 12,937.77 = 3,698.49 : x
  2. Step 2: Convert to fraction form
    8,626.53/12,937.77 = 3,698.49/x
  3. Step 3: Cross multiply
    8,626.53x = 12,937.77 × 3,698.49
  4. Step 4: Simplify right side
    8,626.53x = 47,850,212.97
  5. Step 5: Solve for x
    x = 47,850,212.97/8,626.53
  6. Step 6: Final answer
    x = 5,546.87

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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.