Home / 9,415.72-14,115.18-3,576.43

Finding the Fourth Proportional to 9,415.72, 14,115.18 and 3,576.43

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Solution

The fourth proportional to 9,415.72, 14,115.18 and 3,576.43 is: 5,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.72 : 14,115.18 = 3,576.43 : x
  2. Step 2: Convert to fraction form
    9,415.72/14,115.18 = 3,576.43/x
  3. Step 3: Cross multiply
    9,415.72x = 14,115.18 × 3,576.43
  4. Step 4: Simplify right side
    9,415.72x = 50,481,882.63
  5. Step 5: Solve for x
    x = 50,481,882.63/9,415.72
  6. Step 6: Final answer
    x = 5,361.45

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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.