Home / 10,481.26-15,723.66-5,216.56

Finding the Fourth Proportional to 10,481.26, 15,723.66 and 5,216.56

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Solution

The fourth proportional to 10,481.26, 15,723.66 and 5,216.56 is: 7,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.26 : 15,723.66 = 5,216.56 : x
  2. Step 2: Convert to fraction form
    10,481.26/15,723.66 = 5,216.56/x
  3. Step 3: Cross multiply
    10,481.26x = 15,723.66 × 5,216.56
  4. Step 4: Simplify right side
    10,481.26x = 82,023,415.81
  5. Step 5: Solve for x
    x = 82,023,415.81/10,481.26
  6. Step 6: Final answer
    x = 7,825.72

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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.