Home / 10,992.24-16,486.56-5,149.44

Finding the Fourth Proportional to 10,992.24, 16,486.56 and 5,149.44

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Solution

The fourth proportional to 10,992.24, 16,486.56 and 5,149.44 is: 7,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.24 : 16,486.56 = 5,149.44 : x
  2. Step 2: Convert to fraction form
    10,992.24/16,486.56 = 5,149.44/x
  3. Step 3: Cross multiply
    10,992.24x = 16,486.56 × 5,149.44
  4. Step 4: Simplify right side
    10,992.24x = 84,896,551.53
  5. Step 5: Solve for x
    x = 84,896,551.53/10,992.24
  6. Step 6: Final answer
    x = 7,723.32

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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.