Home / 9,381.18-14,072.31-2,455.50

Finding the Fourth Proportional to 9,381.18, 14,072.31 and 2,455.50

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Solution

The fourth proportional to 9,381.18, 14,072.31 and 2,455.50 is: 3,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.18 : 14,072.31 = 2,455.50 : x
  2. Step 2: Convert to fraction form
    9,381.18/14,072.31 = 2,455.50/x
  3. Step 3: Cross multiply
    9,381.18x = 14,072.31 × 2,455.50
  4. Step 4: Simplify right side
    9,381.18x = 34,554,557.21
  5. Step 5: Solve for x
    x = 34,554,557.21/9,381.18
  6. Step 6: Final answer
    x = 3,683.39

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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.