Home / 11,128.87-15,358.08-6,093.31

Finding the Fourth Proportional to 11,128.87, 15,358.08 and 6,093.31

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Solution

The fourth proportional to 11,128.87, 15,358.08 and 6,093.31 is: 8,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.87 : 15,358.08 = 6,093.31 : x
  2. Step 2: Convert to fraction form
    11,128.87/15,358.08 = 6,093.31/x
  3. Step 3: Cross multiply
    11,128.87x = 15,358.08 × 6,093.31
  4. Step 4: Simplify right side
    11,128.87x = 93,581,542.44
  5. Step 5: Solve for x
    x = 93,581,542.44/11,128.87
  6. Step 6: Final answer
    x = 8,408.90

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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.