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Finding the Fourth Proportional to 12,458.60, 17,192.62 and 6,793.41

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Solution

The fourth proportional to 12,458.60, 17,192.62 and 6,793.41 is: 9,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.60 : 17,192.62 = 6,793.41 : x
  2. Step 2: Convert to fraction form
    12,458.60/17,192.62 = 6,793.41/x
  3. Step 3: Cross multiply
    12,458.60x = 17,192.62 × 6,793.41
  4. Step 4: Simplify right side
    12,458.60x = 116,796,485.94
  5. Step 5: Solve for x
    x = 116,796,485.94/12,458.60
  6. Step 6: Final answer
    x = 9,374.77

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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.