Home / 11,402.88-15,735.81-6,367.18

Finding the Fourth Proportional to 11,402.88, 15,735.81 and 6,367.18

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Solution

The fourth proportional to 11,402.88, 15,735.81 and 6,367.18 is: 8,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.88 : 15,735.81 = 6,367.18 : x
  2. Step 2: Convert to fraction form
    11,402.88/15,735.81 = 6,367.18/x
  3. Step 3: Cross multiply
    11,402.88x = 15,735.81 × 6,367.18
  4. Step 4: Simplify right side
    11,402.88x = 100,192,734.72
  5. Step 5: Solve for x
    x = 100,192,734.72/11,402.88
  6. Step 6: Final answer
    x = 8,786.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.