Home / 7,914.22-11,871.20-2,367.60

Finding the Fourth Proportional to 7,914.22, 11,871.20 and 2,367.60

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Solution

The fourth proportional to 7,914.22, 11,871.20 and 2,367.60 is: 3,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.22 : 11,871.20 = 2,367.60 : x
  2. Step 2: Convert to fraction form
    7,914.22/11,871.20 = 2,367.60/x
  3. Step 3: Cross multiply
    7,914.22x = 11,871.20 × 2,367.60
  4. Step 4: Simplify right side
    7,914.22x = 28,106,253.12
  5. Step 5: Solve for x
    x = 28,106,253.12/7,914.22
  6. Step 6: Final answer
    x = 3,551.36

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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.