Home / 7,933.78-10,949.70-4,576.78

Finding the Fourth Proportional to 7,933.78, 10,949.70 and 4,576.78

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Solution

The fourth proportional to 7,933.78, 10,949.70 and 4,576.78 is: 6,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.78 : 10,949.70 = 4,576.78 : x
  2. Step 2: Convert to fraction form
    7,933.78/10,949.70 = 4,576.78/x
  3. Step 3: Cross multiply
    7,933.78x = 10,949.70 × 4,576.78
  4. Step 4: Simplify right side
    7,933.78x = 50,114,367.97
  5. Step 5: Solve for x
    x = 50,114,367.97/7,933.78
  6. Step 6: Final answer
    x = 6,316.58

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1.5x scale

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.