Home / 11,922.14-17,884.02-3,156.77

Finding the Fourth Proportional to 11,922.14, 17,884.02 and 3,156.77

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Solution

The fourth proportional to 11,922.14, 17,884.02 and 3,156.77 is: 4,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.14 : 17,884.02 = 3,156.77 : x
  2. Step 2: Convert to fraction form
    11,922.14/17,884.02 = 3,156.77/x
  3. Step 3: Cross multiply
    11,922.14x = 17,884.02 × 3,156.77
  4. Step 4: Simplify right side
    11,922.14x = 56,455,737.82
  5. Step 5: Solve for x
    x = 56,455,737.82/11,922.14
  6. Step 6: Final answer
    x = 4,735.37

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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.