Home / 11,161.56-16,742.28-3,370.08

Finding the Fourth Proportional to 11,161.56, 16,742.28 and 3,370.08

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Solution

The fourth proportional to 11,161.56, 16,742.28 and 3,370.08 is: 5,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.56 : 16,742.28 = 3,370.08 : x
  2. Step 2: Convert to fraction form
    11,161.56/16,742.28 = 3,370.08/x
  3. Step 3: Cross multiply
    11,161.56x = 16,742.28 × 3,370.08
  4. Step 4: Simplify right side
    11,161.56x = 56,422,822.98
  5. Step 5: Solve for x
    x = 56,422,822.98/11,161.56
  6. Step 6: Final answer
    x = 5,055.10

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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.