Home / 11,222.65-16,836.18-3,325.30

Finding the Fourth Proportional to 11,222.65, 16,836.18 and 3,325.30

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Solution

The fourth proportional to 11,222.65, 16,836.18 and 3,325.30 is: 4,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.65 : 16,836.18 = 3,325.30 : x
  2. Step 2: Convert to fraction form
    11,222.65/16,836.18 = 3,325.30/x
  3. Step 3: Cross multiply
    11,222.65x = 16,836.18 × 3,325.30
  4. Step 4: Simplify right side
    11,222.65x = 55,985,398.85
  5. Step 5: Solve for x
    x = 55,985,398.85/11,222.65
  6. Step 6: Final answer
    x = 4,988.61

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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.