Home / 8,838.05-12,199.78-5,854.85

Finding the Fourth Proportional to 8,838.05, 12,199.78 and 5,854.85

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Solution

The fourth proportional to 8,838.05, 12,199.78 and 5,854.85 is: 8,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.05 : 12,199.78 = 5,854.85 : x
  2. Step 2: Convert to fraction form
    8,838.05/12,199.78 = 5,854.85/x
  3. Step 3: Cross multiply
    8,838.05x = 12,199.78 × 5,854.85
  4. Step 4: Simplify right side
    8,838.05x = 71,427,874.00
  5. Step 5: Solve for x
    x = 71,427,874.00/8,838.05
  6. Step 6: Final answer
    x = 8,081.86

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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.