Home / 11,219.57-15,483.12-6,183.80

Finding the Fourth Proportional to 11,219.57, 15,483.12 and 6,183.80

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Solution

The fourth proportional to 11,219.57, 15,483.12 and 6,183.80 is: 8,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.57 : 15,483.12 = 6,183.80 : x
  2. Step 2: Convert to fraction form
    11,219.57/15,483.12 = 6,183.80/x
  3. Step 3: Cross multiply
    11,219.57x = 15,483.12 × 6,183.80
  4. Step 4: Simplify right side
    11,219.57x = 95,744,486.54
  5. Step 5: Solve for x
    x = 95,744,486.54/11,219.57
  6. Step 6: Final answer
    x = 8,533.70

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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.