Home / 11,742.32-17,602.38-3,945.66

Finding the Fourth Proportional to 11,742.32, 17,602.38 and 3,945.66

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Solution

The fourth proportional to 11,742.32, 17,602.38 and 3,945.66 is: 5,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.32 : 17,602.38 = 3,945.66 : x
  2. Step 2: Convert to fraction form
    11,742.32/17,602.38 = 3,945.66/x
  3. Step 3: Cross multiply
    11,742.32x = 17,602.38 × 3,945.66
  4. Step 4: Simplify right side
    11,742.32x = 69,453,006.67
  5. Step 5: Solve for x
    x = 69,453,006.67/11,742.32
  6. Step 6: Final answer
    x = 5,914.76

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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.