Home / 10,415.36-15,609.62-3,833.75

Finding the Fourth Proportional to 10,415.36, 15,609.62 and 3,833.75

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Solution

The fourth proportional to 10,415.36, 15,609.62 and 3,833.75 is: 5,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.36 : 15,609.62 = 3,833.75 : x
  2. Step 2: Convert to fraction form
    10,415.36/15,609.62 = 3,833.75/x
  3. Step 3: Cross multiply
    10,415.36x = 15,609.62 × 3,833.75
  4. Step 4: Simplify right side
    10,415.36x = 59,843,283.46
  5. Step 5: Solve for x
    x = 59,843,283.46/10,415.36
  6. Step 6: Final answer
    x = 5,745.68

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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.