Home / 12,170.12-16,793.34-6,864.62

Finding the Fourth Proportional to 12,170.12, 16,793.34 and 6,864.62

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Solution

The fourth proportional to 12,170.12, 16,793.34 and 6,864.62 is: 9,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.12 : 16,793.34 = 6,864.62 : x
  2. Step 2: Convert to fraction form
    12,170.12/16,793.34 = 6,864.62/x
  3. Step 3: Cross multiply
    12,170.12x = 16,793.34 × 6,864.62
  4. Step 4: Simplify right side
    12,170.12x = 115,279,897.63
  5. Step 5: Solve for x
    x = 115,279,897.63/12,170.12
  6. Step 6: Final answer
    x = 9,472.37

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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.