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Finding the Fourth Proportional to 12,458.63, 17,193.05 and 6,793.34

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Solution

The fourth proportional to 12,458.63, 17,193.05 and 6,793.34 is: 9,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.63 : 17,193.05 = 6,793.34 : x
  2. Step 2: Convert to fraction form
    12,458.63/17,193.05 = 6,793.34/x
  3. Step 3: Cross multiply
    12,458.63x = 17,193.05 × 6,793.34
  4. Step 4: Simplify right side
    12,458.63x = 116,798,234.29
  5. Step 5: Solve for x
    x = 116,798,234.29/12,458.63
  6. Step 6: Final answer
    x = 9,374.89

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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.