Home / 12,792.36-19,175.58-6,213

Finding the Fourth Proportional to 12,792.36, 19,175.58 and 6,213

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Solution

The fourth proportional to 12,792.36, 19,175.58 and 6,213 is: 9,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.36 : 19,175.58 = 6,213 : x
  2. Step 2: Convert to fraction form
    12,792.36/19,175.58 = 6,213/x
  3. Step 3: Cross multiply
    12,792.36x = 19,175.58 × 6,213
  4. Step 4: Simplify right side
    12,792.36x = 119,137,878.54
  5. Step 5: Solve for x
    x = 119,137,878.54/12,792.36
  6. Step 6: Final answer
    x = 9,313.21

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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.