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Finding the Fourth Proportional to 9,299.91, 12,808.94 and 8,599.23

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Solution

The fourth proportional to 9,299.91, 12,808.94 and 8,599.23 is: 11,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.91 : 12,808.94 = 8,599.23 : x
  2. Step 2: Convert to fraction form
    9,299.91/12,808.94 = 8,599.23/x
  3. Step 3: Cross multiply
    9,299.91x = 12,808.94 × 8,599.23
  4. Step 4: Simplify right side
    9,299.91x = 110,146,978.12
  5. Step 5: Solve for x
    x = 110,146,978.12/9,299.91
  6. Step 6: Final answer
    x = 11,843.88

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.