Home / 9,087.19-13,620.96-3,820.97

Finding the Fourth Proportional to 9,087.19, 13,620.96 and 3,820.97

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Solution

The fourth proportional to 9,087.19, 13,620.96 and 3,820.97 is: 5,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.19 : 13,620.96 = 3,820.97 : x
  2. Step 2: Convert to fraction form
    9,087.19/13,620.96 = 3,820.97/x
  3. Step 3: Cross multiply
    9,087.19x = 13,620.96 × 3,820.97
  4. Step 4: Simplify right side
    9,087.19x = 52,045,313.58
  5. Step 5: Solve for x
    x = 52,045,313.58/9,087.19
  6. Step 6: Final answer
    x = 5,727.33

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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.