Home / 9,141.06-13,711.46-2,215.62

Finding the Fourth Proportional to 9,141.06, 13,711.46 and 2,215.62

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Solution

The fourth proportional to 9,141.06, 13,711.46 and 2,215.62 is: 3,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.06 : 13,711.46 = 2,215.62 : x
  2. Step 2: Convert to fraction form
    9,141.06/13,711.46 = 2,215.62/x
  3. Step 3: Cross multiply
    9,141.06x = 13,711.46 × 2,215.62
  4. Step 4: Simplify right side
    9,141.06x = 30,379,385.01
  5. Step 5: Solve for x
    x = 30,379,385.01/9,141.06
  6. Step 6: Final answer
    x = 3,323.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.