Home / 11,699.85-17,556.72-4,309.49

Finding the Fourth Proportional to 11,699.85, 17,556.72 and 4,309.49

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Solution

The fourth proportional to 11,699.85, 17,556.72 and 4,309.49 is: 6,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.85 : 17,556.72 = 4,309.49 : x
  2. Step 2: Convert to fraction form
    11,699.85/17,556.72 = 4,309.49/x
  3. Step 3: Cross multiply
    11,699.85x = 17,556.72 × 4,309.49
  4. Step 4: Simplify right side
    11,699.85x = 75,660,553.16
  5. Step 5: Solve for x
    x = 75,660,553.16/11,699.85
  6. Step 6: Final answer
    x = 6,466.80

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1.5x scale

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.