Home / 8,112.75-11,195.17-4,575.27

Finding the Fourth Proportional to 8,112.75, 11,195.17 and 4,575.27

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Solution

The fourth proportional to 8,112.75, 11,195.17 and 4,575.27 is: 6,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.75 : 11,195.17 = 4,575.27 : x
  2. Step 2: Convert to fraction form
    8,112.75/11,195.17 = 4,575.27/x
  3. Step 3: Cross multiply
    8,112.75x = 11,195.17 × 4,575.27
  4. Step 4: Simplify right side
    8,112.75x = 51,220,925.45
  5. Step 5: Solve for x
    x = 51,220,925.45/8,112.75
  6. Step 6: Final answer
    x = 6,313.63

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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.