Home / 11,251.35-16,877.43-4,230.72

Finding the Fourth Proportional to 11,251.35, 16,877.43 and 4,230.72

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Solution

The fourth proportional to 11,251.35, 16,877.43 and 4,230.72 is: 6,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.35 : 16,877.43 = 4,230.72 : x
  2. Step 2: Convert to fraction form
    11,251.35/16,877.43 = 4,230.72/x
  3. Step 3: Cross multiply
    11,251.35x = 16,877.43 × 4,230.72
  4. Step 4: Simplify right side
    11,251.35x = 71,403,680.65
  5. Step 5: Solve for x
    x = 71,403,680.65/11,251.35
  6. Step 6: Final answer
    x = 6,346.23

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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.