Home / 10,083.57-15,125.36-3,158.07

Finding the Fourth Proportional to 10,083.57, 15,125.36 and 3,158.07

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Solution

The fourth proportional to 10,083.57, 15,125.36 and 3,158.07 is: 4,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.57 : 15,125.36 = 3,158.07 : x
  2. Step 2: Convert to fraction form
    10,083.57/15,125.36 = 3,158.07/x
  3. Step 3: Cross multiply
    10,083.57x = 15,125.36 × 3,158.07
  4. Step 4: Simplify right side
    10,083.57x = 47,766,929.86
  5. Step 5: Solve for x
    x = 47,766,929.86/10,083.57
  6. Step 6: Final answer
    x = 4,737.11

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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.