Home / 10,183.10-15,275.61-3,163.19

Finding the Fourth Proportional to 10,183.10, 15,275.61 and 3,163.19

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Solution

The fourth proportional to 10,183.10, 15,275.61 and 3,163.19 is: 4,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.10 : 15,275.61 = 3,163.19 : x
  2. Step 2: Convert to fraction form
    10,183.10/15,275.61 = 3,163.19/x
  3. Step 3: Cross multiply
    10,183.10x = 15,275.61 × 3,163.19
  4. Step 4: Simplify right side
    10,183.10x = 48,319,580.42
  5. Step 5: Solve for x
    x = 48,319,580.42/10,183.10
  6. Step 6: Final answer
    x = 4,745.08

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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.