Home / 9,219.16-13,828.56-2,293.72

Finding the Fourth Proportional to 9,219.16, 13,828.56 and 2,293.72

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Solution

The fourth proportional to 9,219.16, 13,828.56 and 2,293.72 is: 3,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.16 : 13,828.56 = 2,293.72 : x
  2. Step 2: Convert to fraction form
    9,219.16/13,828.56 = 2,293.72/x
  3. Step 3: Cross multiply
    9,219.16x = 13,828.56 × 2,293.72
  4. Step 4: Simplify right side
    9,219.16x = 31,718,844.64
  5. Step 5: Solve for x
    x = 31,718,844.64/9,219.16
  6. Step 6: Final answer
    x = 3,440.54

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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.