Home / 10,269.15-14,171.41-5,553.44

Finding the Fourth Proportional to 10,269.15, 14,171.41 and 5,553.44

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Solution

The fourth proportional to 10,269.15, 14,171.41 and 5,553.44 is: 7,663.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.15 : 14,171.41 = 5,553.44 : x
  2. Step 2: Convert to fraction form
    10,269.15/14,171.41 = 5,553.44/x
  3. Step 3: Cross multiply
    10,269.15x = 14,171.41 × 5,553.44
  4. Step 4: Simplify right side
    10,269.15x = 78,699,993.28
  5. Step 5: Solve for x
    x = 78,699,993.28/10,269.15
  6. Step 6: Final answer
    x = 7,663.73

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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.