Home / 12,273.24-18,400.09-5,342.88

Finding the Fourth Proportional to 12,273.24, 18,400.09 and 5,342.88

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Solution

The fourth proportional to 12,273.24, 18,400.09 and 5,342.88 is: 8,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.24 : 18,400.09 = 5,342.88 : x
  2. Step 2: Convert to fraction form
    12,273.24/18,400.09 = 5,342.88/x
  3. Step 3: Cross multiply
    12,273.24x = 18,400.09 × 5,342.88
  4. Step 4: Simplify right side
    12,273.24x = 98,309,472.86
  5. Step 5: Solve for x
    x = 98,309,472.86/12,273.24
  6. Step 6: Final answer
    x = 8,010.07

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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.