Home / 12,504.60-18,759.54-4,713.48

Finding the Fourth Proportional to 12,504.60, 18,759.54 and 4,713.48

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Solution

The fourth proportional to 12,504.60, 18,759.54 and 4,713.48 is: 7,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.60 : 18,759.54 = 4,713.48 : x
  2. Step 2: Convert to fraction form
    12,504.60/18,759.54 = 4,713.48/x
  3. Step 3: Cross multiply
    12,504.60x = 18,759.54 × 4,713.48
  4. Step 4: Simplify right side
    12,504.60x = 88,422,716.60
  5. Step 5: Solve for x
    x = 88,422,716.60/12,504.60
  6. Step 6: Final answer
    x = 7,071.22

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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.