Home / 9,912.15-14,868.99-2,892.33

Finding the Fourth Proportional to 9,912.15, 14,868.99 and 2,892.33

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Solution

The fourth proportional to 9,912.15, 14,868.99 and 2,892.33 is: 4,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.15 : 14,868.99 = 2,892.33 : x
  2. Step 2: Convert to fraction form
    9,912.15/14,868.99 = 2,892.33/x
  3. Step 3: Cross multiply
    9,912.15x = 14,868.99 × 2,892.33
  4. Step 4: Simplify right side
    9,912.15x = 43,006,025.85
  5. Step 5: Solve for x
    x = 43,006,025.85/9,912.15
  6. Step 6: Final answer
    x = 4,338.72

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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.