Home / 11,770.74-17,698.20-10,857.60

Finding the Fourth Proportional to 11,770.74, 17,698.20 and 10,857.60

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Solution

The fourth proportional to 11,770.74, 17,698.20 and 10,857.60 is: 16,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.74 : 17,698.20 = 10,857.60 : x
  2. Step 2: Convert to fraction form
    11,770.74/17,698.20 = 10,857.60/x
  3. Step 3: Cross multiply
    11,770.74x = 17,698.20 × 10,857.60
  4. Step 4: Simplify right side
    11,770.74x = 192,159,976.32
  5. Step 5: Solve for x
    x = 192,159,976.32/11,770.74
  6. Step 6: Final answer
    x = 16,325.22

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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.