Home / 8,112.21-11,194.88-4,575.42

Finding the Fourth Proportional to 8,112.21, 11,194.88 and 4,575.42

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Solution

The fourth proportional to 8,112.21, 11,194.88 and 4,575.42 is: 6,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.21 : 11,194.88 = 4,575.42 : x
  2. Step 2: Convert to fraction form
    8,112.21/11,194.88 = 4,575.42/x
  3. Step 3: Cross multiply
    8,112.21x = 11,194.88 × 4,575.42
  4. Step 4: Simplify right side
    8,112.21x = 51,221,254.97
  5. Step 5: Solve for x
    x = 51,221,254.97/8,112.21
  6. Step 6: Final answer
    x = 6,314.09

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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.