Home / 6,311.04-9,456.96-5,072.64

Finding the Fourth Proportional to 6,311.04, 9,456.96 and 5,072.64

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Solution

The fourth proportional to 6,311.04, 9,456.96 and 5,072.64 is: 7,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.04 : 9,456.96 = 5,072.64 : x
  2. Step 2: Convert to fraction form
    6,311.04/9,456.96 = 5,072.64/x
  3. Step 3: Cross multiply
    6,311.04x = 9,456.96 × 5,072.64
  4. Step 4: Simplify right side
    6,311.04x = 47,971,753.57
  5. Step 5: Solve for x
    x = 47,971,753.57/6,311.04
  6. Step 6: Final answer
    x = 7,601.24

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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.