Home / 10,219.36-14,100.12-6,239.02

Finding the Fourth Proportional to 10,219.36, 14,100.12 and 6,239.02

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Solution

The fourth proportional to 10,219.36, 14,100.12 and 6,239.02 is: 8,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.36 : 14,100.12 = 6,239.02 : x
  2. Step 2: Convert to fraction form
    10,219.36/14,100.12 = 6,239.02/x
  3. Step 3: Cross multiply
    10,219.36x = 14,100.12 × 6,239.02
  4. Step 4: Simplify right side
    10,219.36x = 87,970,930.68
  5. Step 5: Solve for x
    x = 87,970,930.68/10,219.36
  6. Step 6: Final answer
    x = 8,608.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.