Home / 8,380.04-11,553.45-6,964.94

Finding the Fourth Proportional to 8,380.04, 11,553.45 and 6,964.94

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Solution

The fourth proportional to 8,380.04, 11,553.45 and 6,964.94 is: 9,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.04 : 11,553.45 = 6,964.94 : x
  2. Step 2: Convert to fraction form
    8,380.04/11,553.45 = 6,964.94/x
  3. Step 3: Cross multiply
    8,380.04x = 11,553.45 × 6,964.94
  4. Step 4: Simplify right side
    8,380.04x = 80,469,086.04
  5. Step 5: Solve for x
    x = 80,469,086.04/8,380.04
  6. Step 6: Final answer
    x = 9,602.47

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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.