Home / 12,771.36-19,158.48-5,844

Finding the Fourth Proportional to 12,771.36, 19,158.48 and 5,844

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Solution

The fourth proportional to 12,771.36, 19,158.48 and 5,844 is: 8,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.36 : 19,158.48 = 5,844 : x
  2. Step 2: Convert to fraction form
    12,771.36/19,158.48 = 5,844/x
  3. Step 3: Cross multiply
    12,771.36x = 19,158.48 × 5,844
  4. Step 4: Simplify right side
    12,771.36x = 111,962,157.12
  5. Step 5: Solve for x
    x = 111,962,157.12/12,771.36
  6. Step 6: Final answer
    x = 8,766.66

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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.