Home / 7,912.25-11,867.96-2,365.64

Finding the Fourth Proportional to 7,912.25, 11,867.96 and 2,365.64

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Solution

The fourth proportional to 7,912.25, 11,867.96 and 2,365.64 is: 3,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.25 : 11,867.96 = 2,365.64 : x
  2. Step 2: Convert to fraction form
    7,912.25/11,867.96 = 2,365.64/x
  3. Step 3: Cross multiply
    7,912.25x = 11,867.96 × 2,365.64
  4. Step 4: Simplify right side
    7,912.25x = 28,075,261.55
  5. Step 5: Solve for x
    x = 28,075,261.55/7,912.25
  6. Step 6: Final answer
    x = 3,548.33

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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.