Home / 7,464.20-11,183.90-4,999.70

Finding the Fourth Proportional to 7,464.20, 11,183.90 and 4,999.70

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Solution

The fourth proportional to 7,464.20, 11,183.90 and 4,999.70 is: 7,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.20 : 11,183.90 = 4,999.70 : x
  2. Step 2: Convert to fraction form
    7,464.20/11,183.90 = 4,999.70/x
  3. Step 3: Cross multiply
    7,464.20x = 11,183.90 × 4,999.70
  4. Step 4: Simplify right side
    7,464.20x = 55,916,144.83
  5. Step 5: Solve for x
    x = 55,916,144.83/7,464.20
  6. Step 6: Final answer
    x = 7,491.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.