Home / 9,183.50-12,676.23-5,406.62

Finding the Fourth Proportional to 9,183.50, 12,676.23 and 5,406.62

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Solution

The fourth proportional to 9,183.50, 12,676.23 and 5,406.62 is: 7,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.50 : 12,676.23 = 5,406.62 : x
  2. Step 2: Convert to fraction form
    9,183.50/12,676.23 = 5,406.62/x
  3. Step 3: Cross multiply
    9,183.50x = 12,676.23 × 5,406.62
  4. Step 4: Simplify right side
    9,183.50x = 68,535,558.64
  5. Step 5: Solve for x
    x = 68,535,558.64/9,183.50
  6. Step 6: Final answer
    x = 7,462.90

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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.