Home / 12,338.78-17,027.46-6,673.53

Finding the Fourth Proportional to 12,338.78, 17,027.46 and 6,673.53

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Solution

The fourth proportional to 12,338.78, 17,027.46 and 6,673.53 is: 9,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.78 : 17,027.46 = 6,673.53 : x
  2. Step 2: Convert to fraction form
    12,338.78/17,027.46 = 6,673.53/x
  3. Step 3: Cross multiply
    12,338.78x = 17,027.46 × 6,673.53
  4. Step 4: Simplify right side
    12,338.78x = 113,633,166.55
  5. Step 5: Solve for x
    x = 113,633,166.55/12,338.78
  6. Step 6: Final answer
    x = 9,209.43

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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.