Home / 11,405.34-17,107.80-6,757.26

Finding the Fourth Proportional to 11,405.34, 17,107.80 and 6,757.26

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Solution

The fourth proportional to 11,405.34, 17,107.80 and 6,757.26 is: 10,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.34 : 17,107.80 = 6,757.26 : x
  2. Step 2: Convert to fraction form
    11,405.34/17,107.80 = 6,757.26/x
  3. Step 3: Cross multiply
    11,405.34x = 17,107.80 × 6,757.26
  4. Step 4: Simplify right side
    11,405.34x = 115,601,852.63
  5. Step 5: Solve for x
    x = 115,601,852.63/11,405.34
  6. Step 6: Final answer
    x = 10,135.77

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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.