Home / 7,623.30-11,437.27-3,623.72

Finding the Fourth Proportional to 7,623.30, 11,437.27 and 3,623.72

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Solution

The fourth proportional to 7,623.30, 11,437.27 and 3,623.72 is: 5,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.30 : 11,437.27 = 3,623.72 : x
  2. Step 2: Convert to fraction form
    7,623.30/11,437.27 = 3,623.72/x
  3. Step 3: Cross multiply
    7,623.30x = 11,437.27 × 3,623.72
  4. Step 4: Simplify right side
    7,623.30x = 41,445,464.04
  5. Step 5: Solve for x
    x = 41,445,464.04/7,623.30
  6. Step 6: Final answer
    x = 5,436.68

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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.