Home / 9,163.50-12,643.52-5,183.74

Finding the Fourth Proportional to 9,163.50, 12,643.52 and 5,183.74

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Solution

The fourth proportional to 9,163.50, 12,643.52 and 5,183.74 is: 7,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.50 : 12,643.52 = 5,183.74 : x
  2. Step 2: Convert to fraction form
    9,163.50/12,643.52 = 5,183.74/x
  3. Step 3: Cross multiply
    9,163.50x = 12,643.52 × 5,183.74
  4. Step 4: Simplify right side
    9,163.50x = 65,540,720.36
  5. Step 5: Solve for x
    x = 65,540,720.36/9,163.50
  6. Step 6: Final answer
    x = 7,152.37

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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.