Home / 11,396.19-17,100.21-8,622.03

Finding the Fourth Proportional to 11,396.19, 17,100.21 and 8,622.03

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Solution

The fourth proportional to 11,396.19, 17,100.21 and 8,622.03 is: 12,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.19 : 17,100.21 = 8,622.03 : x
  2. Step 2: Convert to fraction form
    11,396.19/17,100.21 = 8,622.03/x
  3. Step 3: Cross multiply
    11,396.19x = 17,100.21 × 8,622.03
  4. Step 4: Simplify right side
    11,396.19x = 147,438,523.63
  5. Step 5: Solve for x
    x = 147,438,523.63/11,396.19
  6. Step 6: Final answer
    x = 12,937.53

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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.