Home / 8,167.78-11,271.45-4,441.78

Finding the Fourth Proportional to 8,167.78, 11,271.45 and 4,441.78

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Solution

The fourth proportional to 8,167.78, 11,271.45 and 4,441.78 is: 6,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.78 : 11,271.45 = 4,441.78 : x
  2. Step 2: Convert to fraction form
    8,167.78/11,271.45 = 4,441.78/x
  3. Step 3: Cross multiply
    8,167.78x = 11,271.45 × 4,441.78
  4. Step 4: Simplify right side
    8,167.78x = 50,065,273.00
  5. Step 5: Solve for x
    x = 50,065,273.00/8,167.78
  6. Step 6: Final answer
    x = 6,129.61

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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.