Home / 11,219.85-15,483.45-6,183.97

Finding the Fourth Proportional to 11,219.85, 15,483.45 and 6,183.97

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Solution

The fourth proportional to 11,219.85, 15,483.45 and 6,183.97 is: 8,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.85 : 15,483.45 = 6,183.97 : x
  2. Step 2: Convert to fraction form
    11,219.85/15,483.45 = 6,183.97/x
  3. Step 3: Cross multiply
    11,219.85x = 15,483.45 × 6,183.97
  4. Step 4: Simplify right side
    11,219.85x = 95,749,124.08
  5. Step 5: Solve for x
    x = 95,749,124.08/11,219.85
  6. Step 6: Final answer
    x = 8,533.90

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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.