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Finding the Fourth Proportional to 8,099.44, 12,125.64 and 6,159.28

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Solution

The fourth proportional to 8,099.44, 12,125.64 and 6,159.28 is: 9,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.44 : 12,125.64 = 6,159.28 : x
  2. Step 2: Convert to fraction form
    8,099.44/12,125.64 = 6,159.28/x
  3. Step 3: Cross multiply
    8,099.44x = 12,125.64 × 6,159.28
  4. Step 4: Simplify right side
    8,099.44x = 74,685,211.94
  5. Step 5: Solve for x
    x = 74,685,211.94/8,099.44
  6. Step 6: Final answer
    x = 9,221.03

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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.