Home / 11,352.53-17,031.53-3,561.35

Finding the Fourth Proportional to 11,352.53, 17,031.53 and 3,561.35

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Solution

The fourth proportional to 11,352.53, 17,031.53 and 3,561.35 is: 5,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.53 : 17,031.53 = 3,561.35 : x
  2. Step 2: Convert to fraction form
    11,352.53/17,031.53 = 3,561.35/x
  3. Step 3: Cross multiply
    11,352.53x = 17,031.53 × 3,561.35
  4. Step 4: Simplify right side
    11,352.53x = 60,655,136.40
  5. Step 5: Solve for x
    x = 60,655,136.40/11,352.53
  6. Step 6: Final answer
    x = 5,342.88

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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.