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Finding the Fourth Proportional to 11,800.69, 16,284.95 and 6,495.85

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Solution

The fourth proportional to 11,800.69, 16,284.95 and 6,495.85 is: 8,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.69 : 16,284.95 = 6,495.85 : x
  2. Step 2: Convert to fraction form
    11,800.69/16,284.95 = 6,495.85/x
  3. Step 3: Cross multiply
    11,800.69x = 16,284.95 × 6,495.85
  4. Step 4: Simplify right side
    11,800.69x = 105,784,513.09
  5. Step 5: Solve for x
    x = 105,784,513.09/11,800.69
  6. Step 6: Final answer
    x = 8,964.27

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1.5x scale

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.