Home / 11,238.12-16,855.74-3,446.28

Finding the Fourth Proportional to 11,238.12, 16,855.74 and 3,446.28

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Solution

The fourth proportional to 11,238.12, 16,855.74 and 3,446.28 is: 5,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.12 : 16,855.74 = 3,446.28 : x
  2. Step 2: Convert to fraction form
    11,238.12/16,855.74 = 3,446.28/x
  3. Step 3: Cross multiply
    11,238.12x = 16,855.74 × 3,446.28
  4. Step 4: Simplify right side
    11,238.12x = 58,089,599.65
  5. Step 5: Solve for x
    x = 58,089,599.65/11,238.12
  6. Step 6: Final answer
    x = 5,168.98

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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.