Home / 11,153.86-16,715.26-7,410.04

Finding the Fourth Proportional to 11,153.86, 16,715.26 and 7,410.04

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Solution

The fourth proportional to 11,153.86, 16,715.26 and 7,410.04 is: 11,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.86 : 16,715.26 = 7,410.04 : x
  2. Step 2: Convert to fraction form
    11,153.86/16,715.26 = 7,410.04/x
  3. Step 3: Cross multiply
    11,153.86x = 16,715.26 × 7,410.04
  4. Step 4: Simplify right side
    11,153.86x = 123,860,712.68
  5. Step 5: Solve for x
    x = 123,860,712.68/11,153.86
  6. Step 6: Final answer
    x = 11,104.74

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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.