Home / 8,112.12-11,194.58-4,575.33

Finding the Fourth Proportional to 8,112.12, 11,194.58 and 4,575.33

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Solution

The fourth proportional to 8,112.12, 11,194.58 and 4,575.33 is: 6,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.12 : 11,194.58 = 4,575.33 : x
  2. Step 2: Convert to fraction form
    8,112.12/11,194.58 = 4,575.33/x
  3. Step 3: Cross multiply
    8,112.12x = 11,194.58 × 4,575.33
  4. Step 4: Simplify right side
    8,112.12x = 51,218,874.83
  5. Step 5: Solve for x
    x = 51,218,874.83/8,112.12
  6. Step 6: Final answer
    x = 6,313.87

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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.