Home / 12,517.20-17,273.16-6,928.56

Finding the Fourth Proportional to 12,517.20, 17,273.16 and 6,928.56

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Solution

The fourth proportional to 12,517.20, 17,273.16 and 6,928.56 is: 9,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.20 : 17,273.16 = 6,928.56 : x
  2. Step 2: Convert to fraction form
    12,517.20/17,273.16 = 6,928.56/x
  3. Step 3: Cross multiply
    12,517.20x = 17,273.16 × 6,928.56
  4. Step 4: Simplify right side
    12,517.20x = 119,678,125.45
  5. Step 5: Solve for x
    x = 119,678,125.45/12,517.20
  6. Step 6: Final answer
    x = 9,561.09

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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.