Home / 8,150.07-11,247.09-4,424.07

Finding the Fourth Proportional to 8,150.07, 11,247.09 and 4,424.07

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Solution

The fourth proportional to 8,150.07, 11,247.09 and 4,424.07 is: 6,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.07 : 11,247.09 = 4,424.07 : x
  2. Step 2: Convert to fraction form
    8,150.07/11,247.09 = 4,424.07/x
  3. Step 3: Cross multiply
    8,150.07x = 11,247.09 × 4,424.07
  4. Step 4: Simplify right side
    8,150.07x = 49,757,913.46
  5. Step 5: Solve for x
    x = 49,757,913.46/8,150.07
  6. Step 6: Final answer
    x = 6,105.21

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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.