Home / 8,884.20-12,260.79-5,108.61

Finding the Fourth Proportional to 8,884.20, 12,260.79 and 5,108.61

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Solution

The fourth proportional to 8,884.20, 12,260.79 and 5,108.61 is: 7,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.20 : 12,260.79 = 5,108.61 : x
  2. Step 2: Convert to fraction form
    8,884.20/12,260.79 = 5,108.61/x
  3. Step 3: Cross multiply
    8,884.20x = 12,260.79 × 5,108.61
  4. Step 4: Simplify right side
    8,884.20x = 62,635,594.40
  5. Step 5: Solve for x
    x = 62,635,594.40/8,884.20
  6. Step 6: Final answer
    x = 7,050.22

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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.