Home / 12,531.38-17,293.37-6,942.38

Finding the Fourth Proportional to 12,531.38, 17,293.37 and 6,942.38

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Solution

The fourth proportional to 12,531.38, 17,293.37 and 6,942.38 is: 9,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.38 : 17,293.37 = 6,942.38 : x
  2. Step 2: Convert to fraction form
    12,531.38/17,293.37 = 6,942.38/x
  3. Step 3: Cross multiply
    12,531.38x = 17,293.37 × 6,942.38
  4. Step 4: Simplify right side
    12,531.38x = 120,057,024.84
  5. Step 5: Solve for x
    x = 120,057,024.84/12,531.38
  6. Step 6: Final answer
    x = 9,580.51

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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.