Home / 7,392.18-11,091.72-3,231.65

Finding the Fourth Proportional to 7,392.18, 11,091.72 and 3,231.65

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Solution

The fourth proportional to 7,392.18, 11,091.72 and 3,231.65 is: 4,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.18 : 11,091.72 = 3,231.65 : x
  2. Step 2: Convert to fraction form
    7,392.18/11,091.72 = 3,231.65/x
  3. Step 3: Cross multiply
    7,392.18x = 11,091.72 × 3,231.65
  4. Step 4: Simplify right side
    7,392.18x = 35,844,513.60
  5. Step 5: Solve for x
    x = 35,844,513.60/7,392.18
  6. Step 6: Final answer
    x = 4,848.98

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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.