Home / 8,176.92-11,280.39-4,818.12

Finding the Fourth Proportional to 8,176.92, 11,280.39 and 4,818.12

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Solution

The fourth proportional to 8,176.92, 11,280.39 and 4,818.12 is: 6,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.92 : 11,280.39 = 4,818.12 : x
  2. Step 2: Convert to fraction form
    8,176.92/11,280.39 = 4,818.12/x
  3. Step 3: Cross multiply
    8,176.92x = 11,280.39 × 4,818.12
  4. Step 4: Simplify right side
    8,176.92x = 54,350,272.67
  5. Step 5: Solve for x
    x = 54,350,272.67/8,176.92
  6. Step 6: Final answer
    x = 6,646.79

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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.