Home / 11,462.38-17,192.05-5,215.66

Finding the Fourth Proportional to 11,462.38, 17,192.05 and 5,215.66

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Solution

The fourth proportional to 11,462.38, 17,192.05 and 5,215.66 is: 7,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,462.38 : 17,192.05 = 5,215.66 : x
  2. Step 2: Convert to fraction form
    11,462.38/17,192.05 = 5,215.66/x
  3. Step 3: Cross multiply
    11,462.38x = 17,192.05 × 5,215.66
  4. Step 4: Simplify right side
    11,462.38x = 89,667,831.48
  5. Step 5: Solve for x
    x = 89,667,831.48/11,462.38
  6. Step 6: Final answer
    x = 7,822.80

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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.