Home / 11,172.24-16,735.68-8,696.88

Finding the Fourth Proportional to 11,172.24, 16,735.68 and 8,696.88

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Solution

The fourth proportional to 11,172.24, 16,735.68 and 8,696.88 is: 13,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.24 : 16,735.68 = 8,696.88 : x
  2. Step 2: Convert to fraction form
    11,172.24/16,735.68 = 8,696.88/x
  3. Step 3: Cross multiply
    11,172.24x = 16,735.68 × 8,696.88
  4. Step 4: Simplify right side
    11,172.24x = 145,548,200.68
  5. Step 5: Solve for x
    x = 145,548,200.68/11,172.24
  6. Step 6: Final answer
    x = 13,027.67

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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.