Home / 11,148.96-16,722.60-4,125.68

Finding the Fourth Proportional to 11,148.96, 16,722.60 and 4,125.68

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Solution

The fourth proportional to 11,148.96, 16,722.60 and 4,125.68 is: 6,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.96 : 16,722.60 = 4,125.68 : x
  2. Step 2: Convert to fraction form
    11,148.96/16,722.60 = 4,125.68/x
  3. Step 3: Cross multiply
    11,148.96x = 16,722.60 × 4,125.68
  4. Step 4: Simplify right side
    11,148.96x = 68,992,059.99
  5. Step 5: Solve for x
    x = 68,992,059.99/11,148.96
  6. Step 6: Final answer
    x = 6,188.20

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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.