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Finding the Fourth Proportional to 7,197.09, 9,936.57 and 5,873.95

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Solution

The fourth proportional to 7,197.09, 9,936.57 and 5,873.95 is: 8,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.09 : 9,936.57 = 5,873.95 : x
  2. Step 2: Convert to fraction form
    7,197.09/9,936.57 = 5,873.95/x
  3. Step 3: Cross multiply
    7,197.09x = 9,936.57 × 5,873.95
  4. Step 4: Simplify right side
    7,197.09x = 58,366,915.35
  5. Step 5: Solve for x
    x = 58,366,915.35/7,197.09
  6. Step 6: Final answer
    x = 8,109.79

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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.