Home / 9,176.92-12,663.88-5,198.38

Finding the Fourth Proportional to 9,176.92, 12,663.88 and 5,198.38

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Solution

The fourth proportional to 9,176.92, 12,663.88 and 5,198.38 is: 7,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.92 : 12,663.88 = 5,198.38 : x
  2. Step 2: Convert to fraction form
    9,176.92/12,663.88 = 5,198.38/x
  3. Step 3: Cross multiply
    9,176.92x = 12,663.88 × 5,198.38
  4. Step 4: Simplify right side
    9,176.92x = 65,831,660.51
  5. Step 5: Solve for x
    x = 65,831,660.51/9,176.92
  6. Step 6: Final answer
    x = 7,173.61

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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.