Home / 12,627.35-18,941.01-5,229.81

Finding the Fourth Proportional to 12,627.35, 18,941.01 and 5,229.81

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Solution

The fourth proportional to 12,627.35, 18,941.01 and 5,229.81 is: 7,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.35 : 18,941.01 = 5,229.81 : x
  2. Step 2: Convert to fraction form
    12,627.35/18,941.01 = 5,229.81/x
  3. Step 3: Cross multiply
    12,627.35x = 18,941.01 × 5,229.81
  4. Step 4: Simplify right side
    12,627.35x = 99,057,883.51
  5. Step 5: Solve for x
    x = 99,057,883.51/12,627.35
  6. Step 6: Final answer
    x = 7,844.71

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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.