Home / 10,896.70-16,345.06-3,105.51

Finding the Fourth Proportional to 10,896.70, 16,345.06 and 3,105.51

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Solution

The fourth proportional to 10,896.70, 16,345.06 and 3,105.51 is: 4,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.70 : 16,345.06 = 3,105.51 : x
  2. Step 2: Convert to fraction form
    10,896.70/16,345.06 = 3,105.51/x
  3. Step 3: Cross multiply
    10,896.70x = 16,345.06 × 3,105.51
  4. Step 4: Simplify right side
    10,896.70x = 50,759,747.28
  5. Step 5: Solve for x
    x = 50,759,747.28/10,896.70
  6. Step 6: Final answer
    x = 4,658.27

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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.