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Finding the Fourth Proportional to 11,190.44, 16,799.93 and 6,980.16

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Solution

The fourth proportional to 11,190.44, 16,799.93 and 6,980.16 is: 10,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.44 : 16,799.93 = 6,980.16 : x
  2. Step 2: Convert to fraction form
    11,190.44/16,799.93 = 6,980.16/x
  3. Step 3: Cross multiply
    11,190.44x = 16,799.93 × 6,980.16
  4. Step 4: Simplify right side
    11,190.44x = 117,266,164.49
  5. Step 5: Solve for x
    x = 117,266,164.49/11,190.44
  6. Step 6: Final answer
    x = 10,479.14

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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.