Home / 9,194.44-12,688.04-5,416.76

Finding the Fourth Proportional to 9,194.44, 12,688.04 and 5,416.76

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Solution

The fourth proportional to 9,194.44, 12,688.04 and 5,416.76 is: 7,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.44 : 12,688.04 = 5,416.76 : x
  2. Step 2: Convert to fraction form
    9,194.44/12,688.04 = 5,416.76/x
  3. Step 3: Cross multiply
    9,194.44x = 12,688.04 × 5,416.76
  4. Step 4: Simplify right side
    9,194.44x = 68,728,067.55
  5. Step 5: Solve for x
    x = 68,728,067.55/9,194.44
  6. Step 6: Final answer
    x = 7,474.96

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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.