Home / 9,621.18-14,419.73-5,167.91

Finding the Fourth Proportional to 9,621.18, 14,419.73 and 5,167.91

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Solution

The fourth proportional to 9,621.18, 14,419.73 and 5,167.91 is: 7,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.18 : 14,419.73 = 5,167.91 : x
  2. Step 2: Convert to fraction form
    9,621.18/14,419.73 = 5,167.91/x
  3. Step 3: Cross multiply
    9,621.18x = 14,419.73 × 5,167.91
  4. Step 4: Simplify right side
    9,621.18x = 74,519,768.93
  5. Step 5: Solve for x
    x = 74,519,768.93/9,621.18
  6. Step 6: Final answer
    x = 7,745.39

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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.