Home / 11,719.80-17,579.67-4,794.30

Finding the Fourth Proportional to 11,719.80, 17,579.67 and 4,794.30

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Solution

The fourth proportional to 11,719.80, 17,579.67 and 4,794.30 is: 7,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.80 : 17,579.67 = 4,794.30 : x
  2. Step 2: Convert to fraction form
    11,719.80/17,579.67 = 4,794.30/x
  3. Step 3: Cross multiply
    11,719.80x = 17,579.67 × 4,794.30
  4. Step 4: Simplify right side
    11,719.80x = 84,282,211.88
  5. Step 5: Solve for x
    x = 84,282,211.88/11,719.80
  6. Step 6: Final answer
    x = 7,191.44

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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.