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Finding the Fourth Proportional to 10,996.98, 16,435.09 and 8,041.65

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Solution

The fourth proportional to 10,996.98, 16,435.09 and 8,041.65 is: 12,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.98 : 16,435.09 = 8,041.65 : x
  2. Step 2: Convert to fraction form
    10,996.98/16,435.09 = 8,041.65/x
  3. Step 3: Cross multiply
    10,996.98x = 16,435.09 × 8,041.65
  4. Step 4: Simplify right side
    10,996.98x = 132,165,241.50
  5. Step 5: Solve for x
    x = 132,165,241.50/10,996.98
  6. Step 6: Final answer
    x = 12,018.32

Related Problems

Find fourth proportional to 5,498.49, 8,217.55 and 4,020.83
Half scale
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Double scale
Find fourth proportional to 10,997.98, 16,436.58 and 8,042.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.