Home / 9,162.66-12,645.10-5,183.76

Finding the Fourth Proportional to 9,162.66, 12,645.10 and 5,183.76

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Solution

The fourth proportional to 9,162.66, 12,645.10 and 5,183.76 is: 7,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.66 : 12,645.10 = 5,183.76 : x
  2. Step 2: Convert to fraction form
    9,162.66/12,645.10 = 5,183.76/x
  3. Step 3: Cross multiply
    9,162.66x = 12,645.10 × 5,183.76
  4. Step 4: Simplify right side
    9,162.66x = 65,549,163.58
  5. Step 5: Solve for x
    x = 65,549,163.58/9,162.66
  6. Step 6: Final answer
    x = 7,153.94

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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.