Home / 7,118.24-9,813.21-4,463.78

Finding the Fourth Proportional to 7,118.24, 9,813.21 and 4,463.78

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Solution

The fourth proportional to 7,118.24, 9,813.21 and 4,463.78 is: 6,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.24 : 9,813.21 = 4,463.78 : x
  2. Step 2: Convert to fraction form
    7,118.24/9,813.21 = 4,463.78/x
  3. Step 3: Cross multiply
    7,118.24x = 9,813.21 × 4,463.78
  4. Step 4: Simplify right side
    7,118.24x = 43,804,010.53
  5. Step 5: Solve for x
    x = 43,804,010.53/7,118.24
  6. Step 6: Final answer
    x = 6,153.77

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