Home / 11,591.39-17,389.56-4,665.89

Finding the Fourth Proportional to 11,591.39, 17,389.56 and 4,665.89

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Solution

The fourth proportional to 11,591.39, 17,389.56 and 4,665.89 is: 6,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.39 : 17,389.56 = 4,665.89 : x
  2. Step 2: Convert to fraction form
    11,591.39/17,389.56 = 4,665.89/x
  3. Step 3: Cross multiply
    11,591.39x = 17,389.56 × 4,665.89
  4. Step 4: Simplify right side
    11,591.39x = 81,137,774.11
  5. Step 5: Solve for x
    x = 81,137,774.11/11,591.39
  6. Step 6: Final answer
    x = 6,999.83

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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.