Home / 11,219.08-15,482.64-6,183.60

Finding the Fourth Proportional to 11,219.08, 15,482.64 and 6,183.60

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Solution

The fourth proportional to 11,219.08, 15,482.64 and 6,183.60 is: 8,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.08 : 15,482.64 = 6,183.60 : x
  2. Step 2: Convert to fraction form
    11,219.08/15,482.64 = 6,183.60/x
  3. Step 3: Cross multiply
    11,219.08x = 15,482.64 × 6,183.60
  4. Step 4: Simplify right side
    11,219.08x = 95,738,452.70
  5. Step 5: Solve for x
    x = 95,738,452.70/11,219.08
  6. Step 6: Final answer
    x = 8,533.54

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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.