Home / 11,219.16-15,482.55-6,183.57

Finding the Fourth Proportional to 11,219.16, 15,482.55 and 6,183.57

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Solution

The fourth proportional to 11,219.16, 15,482.55 and 6,183.57 is: 8,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.16 : 15,482.55 = 6,183.57 : x
  2. Step 2: Convert to fraction form
    11,219.16/15,482.55 = 6,183.57/x
  3. Step 3: Cross multiply
    11,219.16x = 15,482.55 × 6,183.57
  4. Step 4: Simplify right side
    11,219.16x = 95,737,431.70
  5. Step 5: Solve for x
    x = 95,737,431.70/11,219.16
  6. Step 6: Final answer
    x = 8,533.39

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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.