Home / 11,401.19-17,107.20-7,896.59

Finding the Fourth Proportional to 11,401.19, 17,107.20 and 7,896.59

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Solution

The fourth proportional to 11,401.19, 17,107.20 and 7,896.59 is: 11,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.19 : 17,107.20 = 7,896.59 : x
  2. Step 2: Convert to fraction form
    11,401.19/17,107.20 = 7,896.59/x
  3. Step 3: Cross multiply
    11,401.19x = 17,107.20 × 7,896.59
  4. Step 4: Simplify right side
    11,401.19x = 135,088,544.45
  5. Step 5: Solve for x
    x = 135,088,544.45/11,401.19
  6. Step 6: Final answer
    x = 11,848.64

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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.