Home / 10,927.40-16,391.58-3,136.04

Finding the Fourth Proportional to 10,927.40, 16,391.58 and 3,136.04

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Solution

The fourth proportional to 10,927.40, 16,391.58 and 3,136.04 is: 4,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.40 : 16,391.58 = 3,136.04 : x
  2. Step 2: Convert to fraction form
    10,927.40/16,391.58 = 3,136.04/x
  3. Step 3: Cross multiply
    10,927.40x = 16,391.58 × 3,136.04
  4. Step 4: Simplify right side
    10,927.40x = 51,404,650.54
  5. Step 5: Solve for x
    x = 51,404,650.54/10,927.40
  6. Step 6: Final answer
    x = 4,704.20

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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.