Home / 12,724.89-17,563.94-8,948.94

Finding the Fourth Proportional to 12,724.89, 17,563.94 and 8,948.94

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Solution

The fourth proportional to 12,724.89, 17,563.94 and 8,948.94 is: 12,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.89 : 17,563.94 = 8,948.94 : x
  2. Step 2: Convert to fraction form
    12,724.89/17,563.94 = 8,948.94/x
  3. Step 3: Cross multiply
    12,724.89x = 17,563.94 × 8,948.94
  4. Step 4: Simplify right side
    12,724.89x = 157,178,645.22
  5. Step 5: Solve for x
    x = 157,178,645.22/12,724.89
  6. Step 6: Final answer
    x = 12,352.06

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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.