Home / 8,816.82-12,167.21-4,838.15

Finding the Fourth Proportional to 8,816.82, 12,167.21 and 4,838.15

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Solution

The fourth proportional to 8,816.82, 12,167.21 and 4,838.15 is: 6,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.82 : 12,167.21 = 4,838.15 : x
  2. Step 2: Convert to fraction form
    8,816.82/12,167.21 = 4,838.15/x
  3. Step 3: Cross multiply
    8,816.82x = 12,167.21 × 4,838.15
  4. Step 4: Simplify right side
    8,816.82x = 58,866,761.13
  5. Step 5: Solve for x
    x = 58,866,761.13/8,816.82
  6. Step 6: Final answer
    x = 6,676.65

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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.