Home / 12,724.04-19,084.96-3,490.04

Finding the Fourth Proportional to 12,724.04, 19,084.96 and 3,490.04

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Solution

The fourth proportional to 12,724.04, 19,084.96 and 3,490.04 is: 5,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.04 : 19,084.96 = 3,490.04 : x
  2. Step 2: Convert to fraction form
    12,724.04/19,084.96 = 3,490.04/x
  3. Step 3: Cross multiply
    12,724.04x = 19,084.96 × 3,490.04
  4. Step 4: Simplify right side
    12,724.04x = 66,607,273.80
  5. Step 5: Solve for x
    x = 66,607,273.80/12,724.04
  6. Step 6: Final answer
    x = 5,234.76

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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.