Home / 10,319.82-15,471.09-4,162.38

Finding the Fourth Proportional to 10,319.82, 15,471.09 and 4,162.38

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Solution

The fourth proportional to 10,319.82, 15,471.09 and 4,162.38 is: 6,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.82 : 15,471.09 = 4,162.38 : x
  2. Step 2: Convert to fraction form
    10,319.82/15,471.09 = 4,162.38/x
  3. Step 3: Cross multiply
    10,319.82x = 15,471.09 × 4,162.38
  4. Step 4: Simplify right side
    10,319.82x = 64,396,555.59
  5. Step 5: Solve for x
    x = 64,396,555.59/10,319.82
  6. Step 6: Final answer
    x = 6,240.09

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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.