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Finding the Fourth Proportional to 8,836.44, 13,256.46 and 7,188.92

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Solution

The fourth proportional to 8,836.44, 13,256.46 and 7,188.92 is: 10,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.44 : 13,256.46 = 7,188.92 : x
  2. Step 2: Convert to fraction form
    8,836.44/13,256.46 = 7,188.92/x
  3. Step 3: Cross multiply
    8,836.44x = 13,256.46 × 7,188.92
  4. Step 4: Simplify right side
    8,836.44x = 95,299,630.42
  5. Step 5: Solve for x
    x = 95,299,630.42/8,836.44
  6. Step 6: Final answer
    x = 10,784.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.