Home / 11,090.52-16,639.02-4,072.68

Finding the Fourth Proportional to 11,090.52, 16,639.02 and 4,072.68

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Solution

The fourth proportional to 11,090.52, 16,639.02 and 4,072.68 is: 6,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.52 : 16,639.02 = 4,072.68 : x
  2. Step 2: Convert to fraction form
    11,090.52/16,639.02 = 4,072.68/x
  3. Step 3: Cross multiply
    11,090.52x = 16,639.02 × 4,072.68
  4. Step 4: Simplify right side
    11,090.52x = 67,765,403.97
  5. Step 5: Solve for x
    x = 67,765,403.97/11,090.52
  6. Step 6: Final answer
    x = 6,110.21

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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.