Home / 10,107.05-15,153.51-4,481.64

Finding the Fourth Proportional to 10,107.05, 15,153.51 and 4,481.64

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Solution

The fourth proportional to 10,107.05, 15,153.51 and 4,481.64 is: 6,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.05 : 15,153.51 = 4,481.64 : x
  2. Step 2: Convert to fraction form
    10,107.05/15,153.51 = 4,481.64/x
  3. Step 3: Cross multiply
    10,107.05x = 15,153.51 × 4,481.64
  4. Step 4: Simplify right side
    10,107.05x = 67,912,576.56
  5. Step 5: Solve for x
    x = 67,912,576.56/10,107.05
  6. Step 6: Final answer
    x = 6,719.33

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1.5x scale

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.