Home / 10,163.84-15,245.31-4,238.29

Finding the Fourth Proportional to 10,163.84, 15,245.31 and 4,238.29

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Solution

The fourth proportional to 10,163.84, 15,245.31 and 4,238.29 is: 6,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.84 : 15,245.31 = 4,238.29 : x
  2. Step 2: Convert to fraction form
    10,163.84/15,245.31 = 4,238.29/x
  3. Step 3: Cross multiply
    10,163.84x = 15,245.31 × 4,238.29
  4. Step 4: Simplify right side
    10,163.84x = 64,614,044.92
  5. Step 5: Solve for x
    x = 64,614,044.92/10,163.84
  6. Step 6: Final answer
    x = 6,357.25

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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.