Home / 11,186.19-16,768.34-4,617.90

Finding the Fourth Proportional to 11,186.19, 16,768.34 and 4,617.90

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Solution

The fourth proportional to 11,186.19, 16,768.34 and 4,617.90 is: 6,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.19 : 16,768.34 = 4,617.90 : x
  2. Step 2: Convert to fraction form
    11,186.19/16,768.34 = 4,617.90/x
  3. Step 3: Cross multiply
    11,186.19x = 16,768.34 × 4,617.90
  4. Step 4: Simplify right side
    11,186.19x = 77,434,494.20
  5. Step 5: Solve for x
    x = 77,434,494.20/11,186.19
  6. Step 6: Final answer
    x = 6,922.33

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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.