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Finding the Fourth Proportional to 9,201.03, 12,696.06 and 5,221.38

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Solution

The fourth proportional to 9,201.03, 12,696.06 and 5,221.38 is: 7,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201.03 : 12,696.06 = 5,221.38 : x
  2. Step 2: Convert to fraction form
    9,201.03/12,696.06 = 5,221.38/x
  3. Step 3: Cross multiply
    9,201.03x = 12,696.06 × 5,221.38
  4. Step 4: Simplify right side
    9,201.03x = 66,290,953.76
  5. Step 5: Solve for x
    x = 66,290,953.76/9,201.03
  6. Step 6: Final answer
    x = 7,204.73

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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.