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Finding the Fourth Proportional to 9,365.73, 12,857.03 and 8,037.12

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Solution

The fourth proportional to 9,365.73, 12,857.03 and 8,037.12 is: 11,033.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.73 : 12,857.03 = 8,037.12 : x
  2. Step 2: Convert to fraction form
    9,365.73/12,857.03 = 8,037.12/x
  3. Step 3: Cross multiply
    9,365.73x = 12,857.03 × 8,037.12
  4. Step 4: Simplify right side
    9,365.73x = 103,333,531.12
  5. Step 5: Solve for x
    x = 103,333,531.12/9,365.73
  6. Step 6: Final answer
    x = 11,033.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.