Home / 7,436.30-11,152.62-2,505.82

Finding the Fourth Proportional to 7,436.30, 11,152.62 and 2,505.82

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Solution

The fourth proportional to 7,436.30, 11,152.62 and 2,505.82 is: 3,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.30 : 11,152.62 = 2,505.82 : x
  2. Step 2: Convert to fraction form
    7,436.30/11,152.62 = 2,505.82/x
  3. Step 3: Cross multiply
    7,436.30x = 11,152.62 × 2,505.82
  4. Step 4: Simplify right side
    7,436.30x = 27,946,458.25
  5. Step 5: Solve for x
    x = 27,946,458.25/7,436.30
  6. Step 6: Final answer
    x = 3,758.11

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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.