Home / 8,221.58-12,333.81-2,673.94

Finding the Fourth Proportional to 8,221.58, 12,333.81 and 2,673.94

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Solution

The fourth proportional to 8,221.58, 12,333.81 and 2,673.94 is: 4,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.58 : 12,333.81 = 2,673.94 : x
  2. Step 2: Convert to fraction form
    8,221.58/12,333.81 = 2,673.94/x
  3. Step 3: Cross multiply
    8,221.58x = 12,333.81 × 2,673.94
  4. Step 4: Simplify right side
    8,221.58x = 32,979,867.91
  5. Step 5: Solve for x
    x = 32,979,867.91/8,221.58
  6. Step 6: Final answer
    x = 4,011.38

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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.