Home / 7,395.21-11,087.78-2,774.25

Finding the Fourth Proportional to 7,395.21, 11,087.78 and 2,774.25

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Solution

The fourth proportional to 7,395.21, 11,087.78 and 2,774.25 is: 4,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.21 : 11,087.78 = 2,774.25 : x
  2. Step 2: Convert to fraction form
    7,395.21/11,087.78 = 2,774.25/x
  3. Step 3: Cross multiply
    7,395.21x = 11,087.78 × 2,774.25
  4. Step 4: Simplify right side
    7,395.21x = 30,760,259.79
  5. Step 5: Solve for x
    x = 30,760,259.79/7,395.21
  6. Step 6: Final answer
    x = 4,159.48

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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.