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Finding the Fourth Proportional to 9,472.90, 13,064.90 and 8,336.12

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Solution

The fourth proportional to 9,472.90, 13,064.90 and 8,336.12 is: 11,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472.90 : 13,064.90 = 8,336.12 : x
  2. Step 2: Convert to fraction form
    9,472.90/13,064.90 = 8,336.12/x
  3. Step 3: Cross multiply
    9,472.90x = 13,064.90 × 8,336.12
  4. Step 4: Simplify right side
    9,472.90x = 108,910,467.18
  5. Step 5: Solve for x
    x = 108,910,467.18/9,472.90
  6. Step 6: Final answer
    x = 11,497.06

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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.