Home / 7,424.43-11,137.56-2,426.70

Finding the Fourth Proportional to 7,424.43, 11,137.56 and 2,426.70

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Solution

The fourth proportional to 7,424.43, 11,137.56 and 2,426.70 is: 3,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.43 : 11,137.56 = 2,426.70 : x
  2. Step 2: Convert to fraction form
    7,424.43/11,137.56 = 2,426.70/x
  3. Step 3: Cross multiply
    7,424.43x = 11,137.56 × 2,426.70
  4. Step 4: Simplify right side
    7,424.43x = 27,027,516.85
  5. Step 5: Solve for x
    x = 27,027,516.85/7,424.43
  6. Step 6: Final answer
    x = 3,640.35

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Double scale
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Similar ratio
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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.