Home / 10,666.73-15,998.69-3,170.13

Finding the Fourth Proportional to 10,666.73, 15,998.69 and 3,170.13

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Solution

The fourth proportional to 10,666.73, 15,998.69 and 3,170.13 is: 4,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.73 : 15,998.69 = 3,170.13 : x
  2. Step 2: Convert to fraction form
    10,666.73/15,998.69 = 3,170.13/x
  3. Step 3: Cross multiply
    10,666.73x = 15,998.69 × 3,170.13
  4. Step 4: Simplify right side
    10,666.73x = 50,717,965.05
  5. Step 5: Solve for x
    x = 50,717,965.05/10,666.73
  6. Step 6: Final answer
    x = 4,754.78

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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.