Home / 12,149.06-16,769.84-7,553.43

Finding the Fourth Proportional to 12,149.06, 16,769.84 and 7,553.43

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Solution

The fourth proportional to 12,149.06, 16,769.84 and 7,553.43 is: 10,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.06 : 16,769.84 = 7,553.43 : x
  2. Step 2: Convert to fraction form
    12,149.06/16,769.84 = 7,553.43/x
  3. Step 3: Cross multiply
    12,149.06x = 16,769.84 × 7,553.43
  4. Step 4: Simplify right side
    12,149.06x = 126,669,774.78
  5. Step 5: Solve for x
    x = 126,669,774.78/12,149.06
  6. Step 6: Final answer
    x = 10,426.31

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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.