Home / 9,942.94-13,720.90-5,466.66

Finding the Fourth Proportional to 9,942.94, 13,720.90 and 5,466.66

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Solution

The fourth proportional to 9,942.94, 13,720.90 and 5,466.66 is: 7,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.94 : 13,720.90 = 5,466.66 : x
  2. Step 2: Convert to fraction form
    9,942.94/13,720.90 = 5,466.66/x
  3. Step 3: Cross multiply
    9,942.94x = 13,720.90 × 5,466.66
  4. Step 4: Simplify right side
    9,942.94x = 75,007,455.70
  5. Step 5: Solve for x
    x = 75,007,455.70/9,942.94
  6. Step 6: Final answer
    x = 7,543.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.