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Finding the Fourth Proportional to 8,893.26, 12,272.94 and 4,914.62

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Solution

The fourth proportional to 8,893.26, 12,272.94 and 4,914.62 is: 6,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.26 : 12,272.94 = 4,914.62 : x
  2. Step 2: Convert to fraction form
    8,893.26/12,272.94 = 4,914.62/x
  3. Step 3: Cross multiply
    8,893.26x = 12,272.94 × 4,914.62
  4. Step 4: Simplify right side
    8,893.26x = 60,316,821.04
  5. Step 5: Solve for x
    x = 60,316,821.04/8,893.26
  6. Step 6: Final answer
    x = 6,782.31

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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.