Home / 11,194.20-15,446.70-7,662.60

Finding the Fourth Proportional to 11,194.20, 15,446.70 and 7,662.60

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Solution

The fourth proportional to 11,194.20, 15,446.70 and 7,662.60 is: 10,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.20 : 15,446.70 = 7,662.60 : x
  2. Step 2: Convert to fraction form
    11,194.20/15,446.70 = 7,662.60/x
  3. Step 3: Cross multiply
    11,194.20x = 15,446.70 × 7,662.60
  4. Step 4: Simplify right side
    11,194.20x = 118,361,883.42
  5. Step 5: Solve for x
    x = 118,361,883.42/11,194.20
  6. Step 6: Final answer
    x = 10,573.50

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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.