Home / 11,383.16-17,074.58-3,985.56

Finding the Fourth Proportional to 11,383.16, 17,074.58 and 3,985.56

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Solution

The fourth proportional to 11,383.16, 17,074.58 and 3,985.56 is: 5,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.16 : 17,074.58 = 3,985.56 : x
  2. Step 2: Convert to fraction form
    11,383.16/17,074.58 = 3,985.56/x
  3. Step 3: Cross multiply
    11,383.16x = 17,074.58 × 3,985.56
  4. Step 4: Simplify right side
    11,383.16x = 68,051,763.06
  5. Step 5: Solve for x
    x = 68,051,763.06/11,383.16
  6. Step 6: Final answer
    x = 5,978.28

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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.