Home / 11,193.36-16,796.64-4,178.40

Finding the Fourth Proportional to 11,193.36, 16,796.64 and 4,178.40

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Solution

The fourth proportional to 11,193.36, 16,796.64 and 4,178.40 is: 6,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.36 : 16,796.64 = 4,178.40 : x
  2. Step 2: Convert to fraction form
    11,193.36/16,796.64 = 4,178.40/x
  3. Step 3: Cross multiply
    11,193.36x = 16,796.64 × 4,178.40
  4. Step 4: Simplify right side
    11,193.36x = 70,183,080.58
  5. Step 5: Solve for x
    x = 70,183,080.58/11,193.36
  6. Step 6: Final answer
    x = 6,270.06

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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.