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Finding the Fourth Proportional to 11,604.99, 16,013.49 and 6,500.76

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Solution

The fourth proportional to 11,604.99, 16,013.49 and 6,500.76 is: 8,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,604.99 : 16,013.49 = 6,500.76 : x
  2. Step 2: Convert to fraction form
    11,604.99/16,013.49 = 6,500.76/x
  3. Step 3: Cross multiply
    11,604.99x = 16,013.49 × 6,500.76
  4. Step 4: Simplify right side
    11,604.99x = 104,099,855.25
  5. Step 5: Solve for x
    x = 104,099,855.25/11,604.99
  6. Step 6: Final answer
    x = 8,970.27

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Half scale
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Double scale
Find fourth proportional to 11,605.99, 16,014.87 and 6,501.76
Similar ratio
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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.