Home / 7,942.03-11,913.14-3,558.58

Finding the Fourth Proportional to 7,942.03, 11,913.14 and 3,558.58

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Solution

The fourth proportional to 7,942.03, 11,913.14 and 3,558.58 is: 5,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.03 : 11,913.14 = 3,558.58 : x
  2. Step 2: Convert to fraction form
    7,942.03/11,913.14 = 3,558.58/x
  3. Step 3: Cross multiply
    7,942.03x = 11,913.14 × 3,558.58
  4. Step 4: Simplify right side
    7,942.03x = 42,393,840.85
  5. Step 5: Solve for x
    x = 42,393,840.85/7,942.03
  6. Step 6: Final answer
    x = 5,337.91

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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.