Home / 8,179.42-11,287.48-4,822.37

Finding the Fourth Proportional to 8,179.42, 11,287.48 and 4,822.37

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Solution

The fourth proportional to 8,179.42, 11,287.48 and 4,822.37 is: 6,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.42 : 11,287.48 = 4,822.37 : x
  2. Step 2: Convert to fraction form
    8,179.42/11,287.48 = 4,822.37/x
  3. Step 3: Cross multiply
    8,179.42x = 11,287.48 × 4,822.37
  4. Step 4: Simplify right side
    8,179.42x = 54,432,380.82
  5. Step 5: Solve for x
    x = 54,432,380.82/8,179.42
  6. Step 6: Final answer
    x = 6,654.80

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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.