Home / 11,712.99-17,576.42-4,322.60

Finding the Fourth Proportional to 11,712.99, 17,576.42 and 4,322.60

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Solution

The fourth proportional to 11,712.99, 17,576.42 and 4,322.60 is: 6,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.99 : 17,576.42 = 4,322.60 : x
  2. Step 2: Convert to fraction form
    11,712.99/17,576.42 = 4,322.60/x
  3. Step 3: Cross multiply
    11,712.99x = 17,576.42 × 4,322.60
  4. Step 4: Simplify right side
    11,712.99x = 75,975,723.60
  5. Step 5: Solve for x
    x = 75,975,723.60/11,712.99
  6. Step 6: Final answer
    x = 6,486.45

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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.