Home / 11,183.20-16,784.40-4,952.80

Finding the Fourth Proportional to 11,183.20, 16,784.40 and 4,952.80

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Solution

The fourth proportional to 11,183.20, 16,784.40 and 4,952.80 is: 7,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.20 : 16,784.40 = 4,952.80 : x
  2. Step 2: Convert to fraction form
    11,183.20/16,784.40 = 4,952.80/x
  3. Step 3: Cross multiply
    11,183.20x = 16,784.40 × 4,952.80
  4. Step 4: Simplify right side
    11,183.20x = 83,129,776.32
  5. Step 5: Solve for x
    x = 83,129,776.32/11,183.20
  6. Step 6: Final answer
    x = 7,433.45

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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.