Home / 12,308.73-18,466.13-3,544.32

Finding the Fourth Proportional to 12,308.73, 18,466.13 and 3,544.32

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Solution

The fourth proportional to 12,308.73, 18,466.13 and 3,544.32 is: 5,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.73 : 18,466.13 = 3,544.32 : x
  2. Step 2: Convert to fraction form
    12,308.73/18,466.13 = 3,544.32/x
  3. Step 3: Cross multiply
    12,308.73x = 18,466.13 × 3,544.32
  4. Step 4: Simplify right side
    12,308.73x = 65,449,873.88
  5. Step 5: Solve for x
    x = 65,449,873.88/12,308.73
  6. Step 6: Final answer
    x = 5,317.35

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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.