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Finding the Fourth Proportional to 9,165.94, 12,635.72 and 6,772.39

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Solution

The fourth proportional to 9,165.94, 12,635.72 and 6,772.39 is: 9,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.94 : 12,635.72 = 6,772.39 : x
  2. Step 2: Convert to fraction form
    9,165.94/12,635.72 = 6,772.39/x
  3. Step 3: Cross multiply
    9,165.94x = 12,635.72 × 6,772.39
  4. Step 4: Simplify right side
    9,165.94x = 85,574,023.77
  5. Step 5: Solve for x
    x = 85,574,023.77/9,165.94
  6. Step 6: Final answer
    x = 9,336.09

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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.