Home / 11,105.28-15,324.80-6,069.27

Finding the Fourth Proportional to 11,105.28, 15,324.80 and 6,069.27

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Solution

The fourth proportional to 11,105.28, 15,324.80 and 6,069.27 is: 8,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.28 : 15,324.80 = 6,069.27 : x
  2. Step 2: Convert to fraction form
    11,105.28/15,324.80 = 6,069.27/x
  3. Step 3: Cross multiply
    11,105.28x = 15,324.80 × 6,069.27
  4. Step 4: Simplify right side
    11,105.28x = 93,010,318.55
  5. Step 5: Solve for x
    x = 93,010,318.55/11,105.28
  6. Step 6: Final answer
    x = 8,375.32

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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.