Home / 12,797.36-19,188.12-4,997

Finding the Fourth Proportional to 12,797.36, 19,188.12 and 4,997

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Solution

The fourth proportional to 12,797.36, 19,188.12 and 4,997 is: 7,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.36 : 19,188.12 = 4,997 : x
  2. Step 2: Convert to fraction form
    12,797.36/19,188.12 = 4,997/x
  3. Step 3: Cross multiply
    12,797.36x = 19,188.12 × 4,997
  4. Step 4: Simplify right side
    12,797.36x = 95,883,035.64
  5. Step 5: Solve for x
    x = 95,883,035.64/12,797.36
  6. Step 6: Final answer
    x = 7,492.41

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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.