Home / 8,416.41-12,626.43-3,222.28

Finding the Fourth Proportional to 8,416.41, 12,626.43 and 3,222.28

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Solution

The fourth proportional to 8,416.41, 12,626.43 and 3,222.28 is: 4,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.41 : 12,626.43 = 3,222.28 : x
  2. Step 2: Convert to fraction form
    8,416.41/12,626.43 = 3,222.28/x
  3. Step 3: Cross multiply
    8,416.41x = 12,626.43 × 3,222.28
  4. Step 4: Simplify right side
    8,416.41x = 40,685,914.69
  5. Step 5: Solve for x
    x = 40,685,914.69/8,416.41
  6. Step 6: Final answer
    x = 4,834.12

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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.