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Finding the Fourth Proportional to 8,813.73, 12,163.51 and 5,824.32

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Solution

The fourth proportional to 8,813.73, 12,163.51 and 5,824.32 is: 8,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.73 : 12,163.51 = 5,824.32 : x
  2. Step 2: Convert to fraction form
    8,813.73/12,163.51 = 5,824.32/x
  3. Step 3: Cross multiply
    8,813.73x = 12,163.51 × 5,824.32
  4. Step 4: Simplify right side
    8,813.73x = 70,844,160.00
  5. Step 5: Solve for x
    x = 70,844,160.00/8,813.73
  6. Step 6: Final answer
    x = 8,037.93

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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.