Home / 11,161.74-16,742.61-3,370.14

Finding the Fourth Proportional to 11,161.74, 16,742.61 and 3,370.14

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Solution

The fourth proportional to 11,161.74, 16,742.61 and 3,370.14 is: 5,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.74 : 16,742.61 = 3,370.14 : x
  2. Step 2: Convert to fraction form
    11,161.74/16,742.61 = 3,370.14/x
  3. Step 3: Cross multiply
    11,161.74x = 16,742.61 × 3,370.14
  4. Step 4: Simplify right side
    11,161.74x = 56,424,939.67
  5. Step 5: Solve for x
    x = 56,424,939.67/11,161.74
  6. Step 6: Final answer
    x = 5,055.21

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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.