Home / 10,102.74-15,156.41-3,083.38

Finding the Fourth Proportional to 10,102.74, 15,156.41 and 3,083.38

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Solution

The fourth proportional to 10,102.74, 15,156.41 and 3,083.38 is: 4,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.74 : 15,156.41 = 3,083.38 : x
  2. Step 2: Convert to fraction form
    10,102.74/15,156.41 = 3,083.38/x
  3. Step 3: Cross multiply
    10,102.74x = 15,156.41 × 3,083.38
  4. Step 4: Simplify right side
    10,102.74x = 46,732,971.47
  5. Step 5: Solve for x
    x = 46,732,971.47/10,102.74
  6. Step 6: Final answer
    x = 4,625.77

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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.