Home / 10,209.30-14,087.97-5,732.70

Finding the Fourth Proportional to 10,209.30, 14,087.97 and 5,732.70

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Solution

The fourth proportional to 10,209.30, 14,087.97 and 5,732.70 is: 7,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.30 : 14,087.97 = 5,732.70 : x
  2. Step 2: Convert to fraction form
    10,209.30/14,087.97 = 5,732.70/x
  3. Step 3: Cross multiply
    10,209.30x = 14,087.97 × 5,732.70
  4. Step 4: Simplify right side
    10,209.30x = 80,762,105.62
  5. Step 5: Solve for x
    x = 80,762,105.62/10,209.30
  6. Step 6: Final answer
    x = 7,910.64

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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.