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Finding the Fourth Proportional to 9,354.46, 12,910.28 and 6,835.30

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Solution

The fourth proportional to 9,354.46, 12,910.28 and 6,835.30 is: 9,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.46 : 12,910.28 = 6,835.30 : x
  2. Step 2: Convert to fraction form
    9,354.46/12,910.28 = 6,835.30/x
  3. Step 3: Cross multiply
    9,354.46x = 12,910.28 × 6,835.30
  4. Step 4: Simplify right side
    9,354.46x = 88,245,636.88
  5. Step 5: Solve for x
    x = 88,245,636.88/9,354.46
  6. Step 6: Final answer
    x = 9,433.54

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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.