Home / 11,754.82-17,640.75-4,360.33

Finding the Fourth Proportional to 11,754.82, 17,640.75 and 4,360.33

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Solution

The fourth proportional to 11,754.82, 17,640.75 and 4,360.33 is: 6,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.82 : 17,640.75 = 4,360.33 : x
  2. Step 2: Convert to fraction form
    11,754.82/17,640.75 = 4,360.33/x
  3. Step 3: Cross multiply
    11,754.82x = 17,640.75 × 4,360.33
  4. Step 4: Simplify right side
    11,754.82x = 76,919,491.45
  5. Step 5: Solve for x
    x = 76,919,491.45/11,754.82
  6. Step 6: Final answer
    x = 6,543.66

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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.