Home / 8,815.38-12,165.21-4,836.48

Finding the Fourth Proportional to 8,815.38, 12,165.21 and 4,836.48

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Solution

The fourth proportional to 8,815.38, 12,165.21 and 4,836.48 is: 6,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.38 : 12,165.21 = 4,836.48 : x
  2. Step 2: Convert to fraction form
    8,815.38/12,165.21 = 4,836.48/x
  3. Step 3: Cross multiply
    8,815.38x = 12,165.21 × 4,836.48
  4. Step 4: Simplify right side
    8,815.38x = 58,836,794.86
  5. Step 5: Solve for x
    x = 58,836,794.86/8,815.38
  6. Step 6: Final answer
    x = 6,674.33

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Double scale
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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.