Home / 11,244.57-15,530.04-8,756.61

Finding the Fourth Proportional to 11,244.57, 15,530.04 and 8,756.61

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Solution

The fourth proportional to 11,244.57, 15,530.04 and 8,756.61 is: 12,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.57 : 15,530.04 = 8,756.61 : x
  2. Step 2: Convert to fraction form
    11,244.57/15,530.04 = 8,756.61/x
  3. Step 3: Cross multiply
    11,244.57x = 15,530.04 × 8,756.61
  4. Step 4: Simplify right side
    11,244.57x = 135,990,503.56
  5. Step 5: Solve for x
    x = 135,990,503.56/11,244.57
  6. Step 6: Final answer
    x = 12,093.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.