Home / 7,316.46-10,949.94-6,147.72

Finding the Fourth Proportional to 7,316.46, 10,949.94 and 6,147.72

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Solution

The fourth proportional to 7,316.46, 10,949.94 and 6,147.72 is: 9,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.46 : 10,949.94 = 6,147.72 : x
  2. Step 2: Convert to fraction form
    7,316.46/10,949.94 = 6,147.72/x
  3. Step 3: Cross multiply
    7,316.46x = 10,949.94 × 6,147.72
  4. Step 4: Simplify right side
    7,316.46x = 67,317,165.14
  5. Step 5: Solve for x
    x = 67,317,165.14/7,316.46
  6. Step 6: Final answer
    x = 9,200.78

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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.