Home / 11,661.23-16,091.90-6,356.00

Finding the Fourth Proportional to 11,661.23, 16,091.90 and 6,356.00

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Solution

The fourth proportional to 11,661.23, 16,091.90 and 6,356.00 is: 8,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.23 : 16,091.90 = 6,356.00 : x
  2. Step 2: Convert to fraction form
    11,661.23/16,091.90 = 6,356.00/x
  3. Step 3: Cross multiply
    11,661.23x = 16,091.90 × 6,356.00
  4. Step 4: Simplify right side
    11,661.23x = 102,280,004.16
  5. Step 5: Solve for x
    x = 102,280,004.16/11,661.23
  6. Step 6: Final answer
    x = 8,770.95

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Why These Related Problems?

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