Home / 9,828.44-13,563.30-5,636.84

Finding the Fourth Proportional to 9,828.44, 13,563.30 and 5,636.84

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Solution

The fourth proportional to 9,828.44, 13,563.30 and 5,636.84 is: 7,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.44 : 13,563.30 = 5,636.84 : x
  2. Step 2: Convert to fraction form
    9,828.44/13,563.30 = 5,636.84/x
  3. Step 3: Cross multiply
    9,828.44x = 13,563.30 × 5,636.84
  4. Step 4: Simplify right side
    9,828.44x = 76,454,151.97
  5. Step 5: Solve for x
    x = 76,454,151.97/9,828.44
  6. Step 6: Final answer
    x = 7,778.87

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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.