Home / 11,176.94-16,765.98-2,857.02

Finding the Fourth Proportional to 11,176.94, 16,765.98 and 2,857.02

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Solution

The fourth proportional to 11,176.94, 16,765.98 and 2,857.02 is: 4,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.94 : 16,765.98 = 2,857.02 : x
  2. Step 2: Convert to fraction form
    11,176.94/16,765.98 = 2,857.02/x
  3. Step 3: Cross multiply
    11,176.94x = 16,765.98 × 2,857.02
  4. Step 4: Simplify right side
    11,176.94x = 47,900,740.18
  5. Step 5: Solve for x
    x = 47,900,740.18/11,176.94
  6. Step 6: Final answer
    x = 4,285.68

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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.