Home / 10,631.24-15,932.26-5,426.20

Finding the Fourth Proportional to 10,631.24, 15,932.26 and 5,426.20

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Solution

The fourth proportional to 10,631.24, 15,932.26 and 5,426.20 is: 8,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.24 : 15,932.26 = 5,426.20 : x
  2. Step 2: Convert to fraction form
    10,631.24/15,932.26 = 5,426.20/x
  3. Step 3: Cross multiply
    10,631.24x = 15,932.26 × 5,426.20
  4. Step 4: Simplify right side
    10,631.24x = 86,451,629.21
  5. Step 5: Solve for x
    x = 86,451,629.21/10,631.24
  6. Step 6: Final answer
    x = 8,131.85

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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.