Home / 8,149.96-12,223.50-3,706.59

Finding the Fourth Proportional to 8,149.96, 12,223.50 and 3,706.59

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Solution

The fourth proportional to 8,149.96, 12,223.50 and 3,706.59 is: 5,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.96 : 12,223.50 = 3,706.59 : x
  2. Step 2: Convert to fraction form
    8,149.96/12,223.50 = 3,706.59/x
  3. Step 3: Cross multiply
    8,149.96x = 12,223.50 × 3,706.59
  4. Step 4: Simplify right side
    8,149.96x = 45,307,475.99
  5. Step 5: Solve for x
    x = 45,307,475.99/8,149.96
  6. Step 6: Final answer
    x = 5,559.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.