Home / 9,480.24-14,222.16-3,930.48

Finding the Fourth Proportional to 9,480.24, 14,222.16 and 3,930.48

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Solution

The fourth proportional to 9,480.24, 14,222.16 and 3,930.48 is: 5,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.24 : 14,222.16 = 3,930.48 : x
  2. Step 2: Convert to fraction form
    9,480.24/14,222.16 = 3,930.48/x
  3. Step 3: Cross multiply
    9,480.24x = 14,222.16 × 3,930.48
  4. Step 4: Simplify right side
    9,480.24x = 55,899,915.44
  5. Step 5: Solve for x
    x = 55,899,915.44/9,480.24
  6. Step 6: Final answer
    x = 5,896.47

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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.