Home / 6,188.12-8,539.38-3,393.56

Finding the Fourth Proportional to 6,188.12, 8,539.38 and 3,393.56

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Solution

The fourth proportional to 6,188.12, 8,539.38 and 3,393.56 is: 4,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.12 : 8,539.38 = 3,393.56 : x
  2. Step 2: Convert to fraction form
    6,188.12/8,539.38 = 3,393.56/x
  3. Step 3: Cross multiply
    6,188.12x = 8,539.38 × 3,393.56
  4. Step 4: Simplify right side
    6,188.12x = 28,978,898.39
  5. Step 5: Solve for x
    x = 28,978,898.39/6,188.12
  6. Step 6: Final answer
    x = 4,682.99

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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.