Home / 11,440.36-17,161.32-3,649.76

Finding the Fourth Proportional to 11,440.36, 17,161.32 and 3,649.76

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Solution

The fourth proportional to 11,440.36, 17,161.32 and 3,649.76 is: 5,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.36 : 17,161.32 = 3,649.76 : x
  2. Step 2: Convert to fraction form
    11,440.36/17,161.32 = 3,649.76/x
  3. Step 3: Cross multiply
    11,440.36x = 17,161.32 × 3,649.76
  4. Step 4: Simplify right side
    11,440.36x = 62,634,699.28
  5. Step 5: Solve for x
    x = 62,634,699.28/11,440.36
  6. Step 6: Final answer
    x = 5,474.89

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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.