Home / 10,217.97-14,092.33-8,628.30

Finding the Fourth Proportional to 10,217.97, 14,092.33 and 8,628.30

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Solution

The fourth proportional to 10,217.97, 14,092.33 and 8,628.30 is: 11,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.97 : 14,092.33 = 8,628.30 : x
  2. Step 2: Convert to fraction form
    10,217.97/14,092.33 = 8,628.30/x
  3. Step 3: Cross multiply
    10,217.97x = 14,092.33 × 8,628.30
  4. Step 4: Simplify right side
    10,217.97x = 121,592,850.94
  5. Step 5: Solve for x
    x = 121,592,850.94/10,217.97
  6. Step 6: Final answer
    x = 11,899.90

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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.