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Finding the Fourth Proportional to 10,843.30, 16,266.90 and 5,000.50

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Solution

The fourth proportional to 10,843.30, 16,266.90 and 5,000.50 is: 7,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,843.30 : 16,266.90 = 5,000.50 : x
  2. Step 2: Convert to fraction form
    10,843.30/16,266.90 = 5,000.50/x
  3. Step 3: Cross multiply
    10,843.30x = 16,266.90 × 5,000.50
  4. Step 4: Simplify right side
    10,843.30x = 81,342,633.45
  5. Step 5: Solve for x
    x = 81,342,633.45/10,843.30
  6. Step 6: Final answer
    x = 7,501.65

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Double scale
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1.5x scale

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.