Home / 11,314.35-16,976.66-4,742.01

Finding the Fourth Proportional to 11,314.35, 16,976.66 and 4,742.01

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Solution

The fourth proportional to 11,314.35, 16,976.66 and 4,742.01 is: 7,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.35 : 16,976.66 = 4,742.01 : x
  2. Step 2: Convert to fraction form
    11,314.35/16,976.66 = 4,742.01/x
  3. Step 3: Cross multiply
    11,314.35x = 16,976.66 × 4,742.01
  4. Step 4: Simplify right side
    11,314.35x = 80,503,467.78
  5. Step 5: Solve for x
    x = 80,503,467.78/11,314.35
  6. Step 6: Final answer
    x = 7,115.17

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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.