Home / 11,788.32-17,682.48-4,771.44

Finding the Fourth Proportional to 11,788.32, 17,682.48 and 4,771.44

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Solution

The fourth proportional to 11,788.32, 17,682.48 and 4,771.44 is: 7,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.32 : 17,682.48 = 4,771.44 : x
  2. Step 2: Convert to fraction form
    11,788.32/17,682.48 = 4,771.44/x
  3. Step 3: Cross multiply
    11,788.32x = 17,682.48 × 4,771.44
  4. Step 4: Simplify right side
    11,788.32x = 84,370,892.37
  5. Step 5: Solve for x
    x = 84,370,892.37/11,788.32
  6. Step 6: Final answer
    x = 7,157.16

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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.