Home / 12,626.42-17,424.58-6,961.39

Finding the Fourth Proportional to 12,626.42, 17,424.58 and 6,961.39

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Solution

The fourth proportional to 12,626.42, 17,424.58 and 6,961.39 is: 9,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.42 : 17,424.58 = 6,961.39 : x
  2. Step 2: Convert to fraction form
    12,626.42/17,424.58 = 6,961.39/x
  3. Step 3: Cross multiply
    12,626.42x = 17,424.58 × 6,961.39
  4. Step 4: Simplify right side
    12,626.42x = 121,299,296.97
  5. Step 5: Solve for x
    x = 121,299,296.97/12,626.42
  6. Step 6: Final answer
    x = 9,606.78

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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.