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Finding the Fourth Proportional to 10,893.73, 15,041.82 and 8,371.84

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Solution

The fourth proportional to 10,893.73, 15,041.82 and 8,371.84 is: 11,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.73 : 15,041.82 = 8,371.84 : x
  2. Step 2: Convert to fraction form
    10,893.73/15,041.82 = 8,371.84/x
  3. Step 3: Cross multiply
    10,893.73x = 15,041.82 × 8,371.84
  4. Step 4: Simplify right side
    10,893.73x = 125,927,710.35
  5. Step 5: Solve for x
    x = 125,927,710.35/10,893.73
  6. Step 6: Final answer
    x = 11,559.65

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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.