Home / 11,147.53-16,721.33-4,573.81

Finding the Fourth Proportional to 11,147.53, 16,721.33 and 4,573.81

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Solution

The fourth proportional to 11,147.53, 16,721.33 and 4,573.81 is: 6,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.53 : 16,721.33 = 4,573.81 : x
  2. Step 2: Convert to fraction form
    11,147.53/16,721.33 = 4,573.81/x
  3. Step 3: Cross multiply
    11,147.53x = 16,721.33 × 4,573.81
  4. Step 4: Simplify right side
    11,147.53x = 76,480,163.50
  5. Step 5: Solve for x
    x = 76,480,163.50/11,147.53
  6. Step 6: Final answer
    x = 6,860.73

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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.