Home / 11,605.70-16,015.78-6,300.38

Finding the Fourth Proportional to 11,605.70, 16,015.78 and 6,300.38

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Solution

The fourth proportional to 11,605.70, 16,015.78 and 6,300.38 is: 8,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.70 : 16,015.78 = 6,300.38 : x
  2. Step 2: Convert to fraction form
    11,605.70/16,015.78 = 6,300.38/x
  3. Step 3: Cross multiply
    11,605.70x = 16,015.78 × 6,300.38
  4. Step 4: Simplify right side
    11,605.70x = 100,905,500.00
  5. Step 5: Solve for x
    x = 100,905,500.00/11,605.70
  6. Step 6: Final answer
    x = 8,694.48

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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.