Home / 9,194.41-12,687.68-5,416.84

Finding the Fourth Proportional to 9,194.41, 12,687.68 and 5,416.84

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Solution

The fourth proportional to 9,194.41, 12,687.68 and 5,416.84 is: 7,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.41 : 12,687.68 = 5,416.84 : x
  2. Step 2: Convert to fraction form
    9,194.41/12,687.68 = 5,416.84/x
  3. Step 3: Cross multiply
    9,194.41x = 12,687.68 × 5,416.84
  4. Step 4: Simplify right side
    9,194.41x = 68,727,069.09
  5. Step 5: Solve for x
    x = 68,727,069.09/9,194.41
  6. Step 6: Final answer
    x = 7,474.88

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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.