Home / 10,584.22-15,870.25-3,186.49

Finding the Fourth Proportional to 10,584.22, 15,870.25 and 3,186.49

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Solution

The fourth proportional to 10,584.22, 15,870.25 and 3,186.49 is: 4,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,584.22 : 15,870.25 = 3,186.49 : x
  2. Step 2: Convert to fraction form
    10,584.22/15,870.25 = 3,186.49/x
  3. Step 3: Cross multiply
    10,584.22x = 15,870.25 × 3,186.49
  4. Step 4: Simplify right side
    10,584.22x = 50,570,392.92
  5. Step 5: Solve for x
    x = 50,570,392.92/10,584.22
  6. Step 6: Final answer
    x = 4,777.90

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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.