Home / 11,214.09-16,812.81-6,773.31

Finding the Fourth Proportional to 11,214.09, 16,812.81 and 6,773.31

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Solution

The fourth proportional to 11,214.09, 16,812.81 and 6,773.31 is: 10,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.09 : 16,812.81 = 6,773.31 : x
  2. Step 2: Convert to fraction form
    11,214.09/16,812.81 = 6,773.31/x
  3. Step 3: Cross multiply
    11,214.09x = 16,812.81 × 6,773.31
  4. Step 4: Simplify right side
    11,214.09x = 113,878,374.10
  5. Step 5: Solve for x
    x = 113,878,374.10/11,214.09
  6. Step 6: Final answer
    x = 10,154.94

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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.