Home / 9,872.18-13,623.58-5,395.93

Finding the Fourth Proportional to 9,872.18, 13,623.58 and 5,395.93

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Solution

The fourth proportional to 9,872.18, 13,623.58 and 5,395.93 is: 7,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.18 : 13,623.58 = 5,395.93 : x
  2. Step 2: Convert to fraction form
    9,872.18/13,623.58 = 5,395.93/x
  3. Step 3: Cross multiply
    9,872.18x = 13,623.58 × 5,395.93
  4. Step 4: Simplify right side
    9,872.18x = 73,511,857.05
  5. Step 5: Solve for x
    x = 73,511,857.05/9,872.18
  6. Step 6: Final answer
    x = 7,446.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.