Home / 10,784.75-16,170.30-4,860.41

Finding the Fourth Proportional to 10,784.75, 16,170.30 and 4,860.41

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Solution

The fourth proportional to 10,784.75, 16,170.30 and 4,860.41 is: 7,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.75 : 16,170.30 = 4,860.41 : x
  2. Step 2: Convert to fraction form
    10,784.75/16,170.30 = 4,860.41/x
  3. Step 3: Cross multiply
    10,784.75x = 16,170.30 × 4,860.41
  4. Step 4: Simplify right side
    10,784.75x = 78,594,206.97
  5. Step 5: Solve for x
    x = 78,594,206.97/10,784.75
  6. Step 6: Final answer
    x = 7,287.54

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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.