Home / 12,502.44-17,243.75-8,724.40

Finding the Fourth Proportional to 12,502.44, 17,243.75 and 8,724.40

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Solution

The fourth proportional to 12,502.44, 17,243.75 and 8,724.40 is: 12,032.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.44 : 17,243.75 = 8,724.40 : x
  2. Step 2: Convert to fraction form
    12,502.44/17,243.75 = 8,724.40/x
  3. Step 3: Cross multiply
    12,502.44x = 17,243.75 × 8,724.40
  4. Step 4: Simplify right side
    12,502.44x = 150,441,351.20
  5. Step 5: Solve for x
    x = 150,441,351.20/12,502.44
  6. Step 6: Final answer
    x = 12,032.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.