Home / 10,665.18-15,998.22-3,269.70

Finding the Fourth Proportional to 10,665.18, 15,998.22 and 3,269.70

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Solution

The fourth proportional to 10,665.18, 15,998.22 and 3,269.70 is: 4,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.18 : 15,998.22 = 3,269.70 : x
  2. Step 2: Convert to fraction form
    10,665.18/15,998.22 = 3,269.70/x
  3. Step 3: Cross multiply
    10,665.18x = 15,998.22 × 3,269.70
  4. Step 4: Simplify right side
    10,665.18x = 52,309,379.93
  5. Step 5: Solve for x
    x = 52,309,379.93/10,665.18
  6. Step 6: Final answer
    x = 4,904.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.