Home / 12,467.01-18,708.60-6,627.72

Finding the Fourth Proportional to 12,467.01, 18,708.60 and 6,627.72

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Solution

The fourth proportional to 12,467.01, 18,708.60 and 6,627.72 is: 9,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.01 : 18,708.60 = 6,627.72 : x
  2. Step 2: Convert to fraction form
    12,467.01/18,708.60 = 6,627.72/x
  3. Step 3: Cross multiply
    12,467.01x = 18,708.60 × 6,627.72
  4. Step 4: Simplify right side
    12,467.01x = 123,995,362.39
  5. Step 5: Solve for x
    x = 123,995,362.39/12,467.01
  6. Step 6: Final answer
    x = 9,945.88

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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.