Home / 8,116.62-11,200.78-4,579.84

Finding the Fourth Proportional to 8,116.62, 11,200.78 and 4,579.84

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Solution

The fourth proportional to 8,116.62, 11,200.78 and 4,579.84 is: 6,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.62 : 11,200.78 = 4,579.84 : x
  2. Step 2: Convert to fraction form
    8,116.62/11,200.78 = 4,579.84/x
  3. Step 3: Cross multiply
    8,116.62x = 11,200.78 × 4,579.84
  4. Step 4: Simplify right side
    8,116.62x = 51,297,780.28
  5. Step 5: Solve for x
    x = 51,297,780.28/8,116.62
  6. Step 6: Final answer
    x = 6,320.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.