Home / 8,151.24-11,249.10-4,615.56

Finding the Fourth Proportional to 8,151.24, 11,249.10 and 4,615.56

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Solution

The fourth proportional to 8,151.24, 11,249.10 and 4,615.56 is: 6,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.24 : 11,249.10 = 4,615.56 : x
  2. Step 2: Convert to fraction form
    8,151.24/11,249.10 = 4,615.56/x
  3. Step 3: Cross multiply
    8,151.24x = 11,249.10 × 4,615.56
  4. Step 4: Simplify right side
    8,151.24x = 51,920,896.00
  5. Step 5: Solve for x
    x = 51,920,896.00/8,151.24
  6. Step 6: Final answer
    x = 6,369.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.