Home / 11,172.42-16,760.78-4,246.38

Finding the Fourth Proportional to 11,172.42, 16,760.78 and 4,246.38

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Solution

The fourth proportional to 11,172.42, 16,760.78 and 4,246.38 is: 6,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.42 : 16,760.78 = 4,246.38 : x
  2. Step 2: Convert to fraction form
    11,172.42/16,760.78 = 4,246.38/x
  3. Step 3: Cross multiply
    11,172.42x = 16,760.78 × 4,246.38
  4. Step 4: Simplify right side
    11,172.42x = 71,172,567.79
  5. Step 5: Solve for x
    x = 71,172,567.79/11,172.42
  6. Step 6: Final answer
    x = 6,370.38

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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.