Home / 10,911.45-15,057.82-6,195.73

Finding the Fourth Proportional to 10,911.45, 15,057.82 and 6,195.73

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Solution

The fourth proportional to 10,911.45, 15,057.82 and 6,195.73 is: 8,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.45 : 15,057.82 = 6,195.73 : x
  2. Step 2: Convert to fraction form
    10,911.45/15,057.82 = 6,195.73/x
  3. Step 3: Cross multiply
    10,911.45x = 15,057.82 × 6,195.73
  4. Step 4: Simplify right side
    10,911.45x = 93,294,187.11
  5. Step 5: Solve for x
    x = 93,294,187.11/10,911.45
  6. Step 6: Final answer
    x = 8,550.12

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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.