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Finding the Fourth Proportional to 9,346.73, 12,906.74 and 5,815.94

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Solution

The fourth proportional to 9,346.73, 12,906.74 and 5,815.94 is: 8,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346.73 : 12,906.74 = 5,815.94 : x
  2. Step 2: Convert to fraction form
    9,346.73/12,906.74 = 5,815.94/x
  3. Step 3: Cross multiply
    9,346.73x = 12,906.74 × 5,815.94
  4. Step 4: Simplify right side
    9,346.73x = 75,064,775.44
  5. Step 5: Solve for x
    x = 75,064,775.44/9,346.73
  6. Step 6: Final answer
    x = 8,031.13

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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.