Home / 12,912.74-19,370.45-4,593.52

Finding the Fourth Proportional to 12,912.74, 19,370.45 and 4,593.52

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Solution

The fourth proportional to 12,912.74, 19,370.45 and 4,593.52 is: 6,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912.74 : 19,370.45 = 4,593.52 : x
  2. Step 2: Convert to fraction form
    12,912.74/19,370.45 = 4,593.52/x
  3. Step 3: Cross multiply
    12,912.74x = 19,370.45 × 4,593.52
  4. Step 4: Simplify right side
    12,912.74x = 88,978,512.54
  5. Step 5: Solve for x
    x = 88,978,512.54/12,912.74
  6. Step 6: Final answer
    x = 6,890.76

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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.