Home / 9,942.35-13,720.05-5,466.02

Finding the Fourth Proportional to 9,942.35, 13,720.05 and 5,466.02

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Solution

The fourth proportional to 9,942.35, 13,720.05 and 5,466.02 is: 7,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.35 : 13,720.05 = 5,466.02 : x
  2. Step 2: Convert to fraction form
    9,942.35/13,720.05 = 5,466.02/x
  3. Step 3: Cross multiply
    9,942.35x = 13,720.05 × 5,466.02
  4. Step 4: Simplify right side
    9,942.35x = 74,993,999.10
  5. Step 5: Solve for x
    x = 74,993,999.10/9,942.35
  6. Step 6: Final answer
    x = 7,542.89

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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.