Home / 11,440.32-17,145.12-4,512.96

Finding the Fourth Proportional to 11,440.32, 17,145.12 and 4,512.96

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Solution

The fourth proportional to 11,440.32, 17,145.12 and 4,512.96 is: 6,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.32 : 17,145.12 = 4,512.96 : x
  2. Step 2: Convert to fraction form
    11,440.32/17,145.12 = 4,512.96/x
  3. Step 3: Cross multiply
    11,440.32x = 17,145.12 × 4,512.96
  4. Step 4: Simplify right side
    11,440.32x = 77,375,240.76
  5. Step 5: Solve for x
    x = 77,375,240.76/11,440.32
  6. Step 6: Final answer
    x = 6,763.38

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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.