Home / 11,850.20-17,769.21-6,929.45

Finding the Fourth Proportional to 11,850.20, 17,769.21 and 6,929.45

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Solution

The fourth proportional to 11,850.20, 17,769.21 and 6,929.45 is: 10,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.20 : 17,769.21 = 6,929.45 : x
  2. Step 2: Convert to fraction form
    11,850.20/17,769.21 = 6,929.45/x
  3. Step 3: Cross multiply
    11,850.20x = 17,769.21 × 6,929.45
  4. Step 4: Simplify right side
    11,850.20x = 123,130,763.39
  5. Step 5: Solve for x
    x = 123,130,763.39/11,850.20
  6. Step 6: Final answer
    x = 10,390.61

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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.