Home / 9,942.74-13,721.32-5,466.66

Finding the Fourth Proportional to 9,942.74, 13,721.32 and 5,466.66

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Solution

The fourth proportional to 9,942.74, 13,721.32 and 5,466.66 is: 7,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.74 : 13,721.32 = 5,466.66 : x
  2. Step 2: Convert to fraction form
    9,942.74/13,721.32 = 5,466.66/x
  3. Step 3: Cross multiply
    9,942.74x = 13,721.32 × 5,466.66
  4. Step 4: Simplify right side
    9,942.74x = 75,009,791.19
  5. Step 5: Solve for x
    x = 75,009,791.19/9,942.74
  6. Step 6: Final answer
    x = 7,544.18

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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.