Home / 10,608.90-15,915.30-3,493.53

Finding the Fourth Proportional to 10,608.90, 15,915.30 and 3,493.53

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Solution

The fourth proportional to 10,608.90, 15,915.30 and 3,493.53 is: 5,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.90 : 15,915.30 = 3,493.53 : x
  2. Step 2: Convert to fraction form
    10,608.90/15,915.30 = 3,493.53/x
  3. Step 3: Cross multiply
    10,608.90x = 15,915.30 × 3,493.53
  4. Step 4: Simplify right side
    10,608.90x = 55,600,578.01
  5. Step 5: Solve for x
    x = 55,600,578.01/10,608.90
  6. Step 6: Final answer
    x = 5,240.94

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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.