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Finding the Fourth Proportional to 12,273.60, 16,948.80 and 8,935.68

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Solution

The fourth proportional to 12,273.60, 16,948.80 and 8,935.68 is: 12,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.60 : 16,948.80 = 8,935.68 : x
  2. Step 2: Convert to fraction form
    12,273.60/16,948.80 = 8,935.68/x
  3. Step 3: Cross multiply
    12,273.60x = 16,948.80 × 8,935.68
  4. Step 4: Simplify right side
    12,273.60x = 151,449,053.18
  5. Step 5: Solve for x
    x = 151,449,053.18/12,273.60
  6. Step 6: Final answer
    x = 12,339.42

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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.