Home / 10,103.74-15,156.29-3,083.80

Finding the Fourth Proportional to 10,103.74, 15,156.29 and 3,083.80

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Solution

The fourth proportional to 10,103.74, 15,156.29 and 3,083.80 is: 4,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.74 : 15,156.29 = 3,083.80 : x
  2. Step 2: Convert to fraction form
    10,103.74/15,156.29 = 3,083.80/x
  3. Step 3: Cross multiply
    10,103.74x = 15,156.29 × 3,083.80
  4. Step 4: Simplify right side
    10,103.74x = 46,738,914.04
  5. Step 5: Solve for x
    x = 46,738,914.04/10,103.74
  6. Step 6: Final answer
    x = 4,625.90

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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.