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Finding the Fourth Proportional to 12,553.39, 17,335.39 and 8,084.93

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Solution

The fourth proportional to 12,553.39, 17,335.39 and 8,084.93 is: 11,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.39 : 17,335.39 = 8,084.93 : x
  2. Step 2: Convert to fraction form
    12,553.39/17,335.39 = 8,084.93/x
  3. Step 3: Cross multiply
    12,553.39x = 17,335.39 × 8,084.93
  4. Step 4: Simplify right side
    12,553.39x = 140,155,307.78
  5. Step 5: Solve for x
    x = 140,155,307.78/12,553.39
  6. Step 6: Final answer
    x = 11,164.74

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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.