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Finding the Fourth Proportional to 10,893.58, 15,033.12 and 6,644.62

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Solution

The fourth proportional to 10,893.58, 15,033.12 and 6,644.62 is: 9,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.58 : 15,033.12 = 6,644.62 : x
  2. Step 2: Convert to fraction form
    10,893.58/15,033.12 = 6,644.62/x
  3. Step 3: Cross multiply
    10,893.58x = 15,033.12 × 6,644.62
  4. Step 4: Simplify right side
    10,893.58x = 99,889,369.81
  5. Step 5: Solve for x
    x = 99,889,369.81/10,893.58
  6. Step 6: Final answer
    x = 9,169.56

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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.