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Finding the Fourth Proportional to 8,886.97, 12,263.79 and 5,858.38

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Solution

The fourth proportional to 8,886.97, 12,263.79 and 5,858.38 is: 8,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.97 : 12,263.79 = 5,858.38 : x
  2. Step 2: Convert to fraction form
    8,886.97/12,263.79 = 5,858.38/x
  3. Step 3: Cross multiply
    8,886.97x = 12,263.79 × 5,858.38
  4. Step 4: Simplify right side
    8,886.97x = 71,845,942.06
  5. Step 5: Solve for x
    x = 71,845,942.06/8,886.97
  6. Step 6: Final answer
    x = 8,084.41

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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.