Home / 11,129.04-16,699.31-4,893.42

Finding the Fourth Proportional to 11,129.04, 16,699.31 and 4,893.42

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Solution

The fourth proportional to 11,129.04, 16,699.31 and 4,893.42 is: 7,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.04 : 16,699.31 = 4,893.42 : x
  2. Step 2: Convert to fraction form
    11,129.04/16,699.31 = 4,893.42/x
  3. Step 3: Cross multiply
    11,129.04x = 16,699.31 × 4,893.42
  4. Step 4: Simplify right side
    11,129.04x = 81,716,737.54
  5. Step 5: Solve for x
    x = 81,716,737.54/11,129.04
  6. Step 6: Final answer
    x = 7,342.66

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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.