Home / 10,571.23-15,855.13-3,174.39

Finding the Fourth Proportional to 10,571.23, 15,855.13 and 3,174.39

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Solution

The fourth proportional to 10,571.23, 15,855.13 and 3,174.39 is: 4,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.23 : 15,855.13 = 3,174.39 : x
  2. Step 2: Convert to fraction form
    10,571.23/15,855.13 = 3,174.39/x
  3. Step 3: Cross multiply
    10,571.23x = 15,855.13 × 3,174.39
  4. Step 4: Simplify right side
    10,571.23x = 50,330,370.09
  5. Step 5: Solve for x
    x = 50,330,370.09/10,571.23
  6. Step 6: Final answer
    x = 4,761.07

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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.