Home / 7,438.70-11,150.26-2,506.63

Finding the Fourth Proportional to 7,438.70, 11,150.26 and 2,506.63

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Solution

The fourth proportional to 7,438.70, 11,150.26 and 2,506.63 is: 3,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.70 : 11,150.26 = 2,506.63 : x
  2. Step 2: Convert to fraction form
    7,438.70/11,150.26 = 2,506.63/x
  3. Step 3: Cross multiply
    7,438.70x = 11,150.26 × 2,506.63
  4. Step 4: Simplify right side
    7,438.70x = 27,949,576.22
  5. Step 5: Solve for x
    x = 27,949,576.22/7,438.70
  6. Step 6: Final answer
    x = 3,757.32

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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.