Home / 12,268.36-18,403.15-3,504.57

Finding the Fourth Proportional to 12,268.36, 18,403.15 and 3,504.57

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Solution

The fourth proportional to 12,268.36, 18,403.15 and 3,504.57 is: 5,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.36 : 18,403.15 = 3,504.57 : x
  2. Step 2: Convert to fraction form
    12,268.36/18,403.15 = 3,504.57/x
  3. Step 3: Cross multiply
    12,268.36x = 18,403.15 × 3,504.57
  4. Step 4: Simplify right side
    12,268.36x = 64,495,127.40
  5. Step 5: Solve for x
    x = 64,495,127.40/12,268.36
  6. Step 6: Final answer
    x = 5,257.03

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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.