Home / 8,149.35-11,246.11-4,423.35

Finding the Fourth Proportional to 8,149.35, 11,246.11 and 4,423.35

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Solution

The fourth proportional to 8,149.35, 11,246.11 and 4,423.35 is: 6,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.35 : 11,246.11 = 4,423.35 : x
  2. Step 2: Convert to fraction form
    8,149.35/11,246.11 = 4,423.35/x
  3. Step 3: Cross multiply
    8,149.35x = 11,246.11 × 4,423.35
  4. Step 4: Simplify right side
    8,149.35x = 49,745,480.67
  5. Step 5: Solve for x
    x = 49,745,480.67/8,149.35
  6. Step 6: Final answer
    x = 6,104.23

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Half scale
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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.