Home / 8,951.39-13,426.68-3,108.46

Finding the Fourth Proportional to 8,951.39, 13,426.68 and 3,108.46

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Solution

The fourth proportional to 8,951.39, 13,426.68 and 3,108.46 is: 4,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.39 : 13,426.68 = 3,108.46 : x
  2. Step 2: Convert to fraction form
    8,951.39/13,426.68 = 3,108.46/x
  3. Step 3: Cross multiply
    8,951.39x = 13,426.68 × 3,108.46
  4. Step 4: Simplify right side
    8,951.39x = 41,736,297.71
  5. Step 5: Solve for x
    x = 41,736,297.71/8,951.39
  6. Step 6: Final answer
    x = 4,662.55

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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.