Home / 8,133.91-11,226.46-4,778.48

Finding the Fourth Proportional to 8,133.91, 11,226.46 and 4,778.48

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Solution

The fourth proportional to 8,133.91, 11,226.46 and 4,778.48 is: 6,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.91 : 11,226.46 = 4,778.48 : x
  2. Step 2: Convert to fraction form
    8,133.91/11,226.46 = 4,778.48/x
  3. Step 3: Cross multiply
    8,133.91x = 11,226.46 × 4,778.48
  4. Step 4: Simplify right side
    8,133.91x = 53,645,414.58
  5. Step 5: Solve for x
    x = 53,645,414.58/8,133.91
  6. Step 6: Final answer
    x = 6,595.28

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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.