Home / 12,996.23-17,934.80-7,027.89

Finding the Fourth Proportional to 12,996.23, 17,934.80 and 7,027.89

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Solution

The fourth proportional to 12,996.23, 17,934.80 and 7,027.89 is: 9,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.23 : 17,934.80 = 7,027.89 : x
  2. Step 2: Convert to fraction form
    12,996.23/17,934.80 = 7,027.89/x
  3. Step 3: Cross multiply
    12,996.23x = 17,934.80 × 7,027.89
  4. Step 4: Simplify right side
    12,996.23x = 126,043,766.43
  5. Step 5: Solve for x
    x = 126,043,766.43/12,996.23
  6. Step 6: Final answer
    x = 9,698.49

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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.