Home / 11,916.13-17,874.20-4,124.94

Finding the Fourth Proportional to 11,916.13, 17,874.20 and 4,124.94

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Solution

The fourth proportional to 11,916.13, 17,874.20 and 4,124.94 is: 6,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.13 : 17,874.20 = 4,124.94 : x
  2. Step 2: Convert to fraction form
    11,916.13/17,874.20 = 4,124.94/x
  3. Step 3: Cross multiply
    11,916.13x = 17,874.20 × 4,124.94
  4. Step 4: Simplify right side
    11,916.13x = 73,730,026.61
  5. Step 5: Solve for x
    x = 73,730,026.61/11,916.13
  6. Step 6: Final answer
    x = 6,187.41

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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.