Home / 11,725.05-17,588.05-3,405.06

Finding the Fourth Proportional to 11,725.05, 17,588.05 and 3,405.06

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Solution

The fourth proportional to 11,725.05, 17,588.05 and 3,405.06 is: 5,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.05 : 17,588.05 = 3,405.06 : x
  2. Step 2: Convert to fraction form
    11,725.05/17,588.05 = 3,405.06/x
  3. Step 3: Cross multiply
    11,725.05x = 17,588.05 × 3,405.06
  4. Step 4: Simplify right side
    11,725.05x = 59,888,374.05
  5. Step 5: Solve for x
    x = 59,888,374.05/11,725.05
  6. Step 6: Final answer
    x = 5,107.73

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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.