Home / 11,923.66-17,885.34-4,906.90

Finding the Fourth Proportional to 11,923.66, 17,885.34 and 4,906.90

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Solution

The fourth proportional to 11,923.66, 17,885.34 and 4,906.90 is: 7,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.66 : 17,885.34 = 4,906.90 : x
  2. Step 2: Convert to fraction form
    11,923.66/17,885.34 = 4,906.90/x
  3. Step 3: Cross multiply
    11,923.66x = 17,885.34 × 4,906.90
  4. Step 4: Simplify right side
    11,923.66x = 87,761,574.85
  5. Step 5: Solve for x
    x = 87,761,574.85/11,923.66
  6. Step 6: Final answer
    x = 7,360.29

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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.