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Finding the Fourth Proportional to 11,084.76, 15,296.96 and 6,893

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Solution

The fourth proportional to 11,084.76, 15,296.96 and 6,893 is: 9,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.76 : 15,296.96 = 6,893 : x
  2. Step 2: Convert to fraction form
    11,084.76/15,296.96 = 6,893/x
  3. Step 3: Cross multiply
    11,084.76x = 15,296.96 × 6,893
  4. Step 4: Simplify right side
    11,084.76x = 105,441,945.28
  5. Step 5: Solve for x
    x = 105,441,945.28/11,084.76
  6. Step 6: Final answer
    x = 9,512.33

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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.