Home / 7,955.50-11,928.95-3,796.46

Finding the Fourth Proportional to 7,955.50, 11,928.95 and 3,796.46

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Solution

The fourth proportional to 7,955.50, 11,928.95 and 3,796.46 is: 5,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.50 : 11,928.95 = 3,796.46 : x
  2. Step 2: Convert to fraction form
    7,955.50/11,928.95 = 3,796.46/x
  3. Step 3: Cross multiply
    7,955.50x = 11,928.95 × 3,796.46
  4. Step 4: Simplify right side
    7,955.50x = 45,287,781.52
  5. Step 5: Solve for x
    x = 45,287,781.52/7,955.50
  6. Step 6: Final answer
    x = 5,692.64

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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.