Home / 12,845.71-19,258.08-5,724.73

Finding the Fourth Proportional to 12,845.71, 19,258.08 and 5,724.73

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Solution

The fourth proportional to 12,845.71, 19,258.08 and 5,724.73 is: 8,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.71 : 19,258.08 = 5,724.73 : x
  2. Step 2: Convert to fraction form
    12,845.71/19,258.08 = 5,724.73/x
  3. Step 3: Cross multiply
    12,845.71x = 19,258.08 × 5,724.73
  4. Step 4: Simplify right side
    12,845.71x = 110,247,308.32
  5. Step 5: Solve for x
    x = 110,247,308.32/12,845.71
  6. Step 6: Final answer
    x = 8,582.42

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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.