Home / 7,912.29-11,868.32-2,365.52

Finding the Fourth Proportional to 7,912.29, 11,868.32 and 2,365.52

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Solution

The fourth proportional to 7,912.29, 11,868.32 and 2,365.52 is: 3,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.29 : 11,868.32 = 2,365.52 : x
  2. Step 2: Convert to fraction form
    7,912.29/11,868.32 = 2,365.52/x
  3. Step 3: Cross multiply
    7,912.29x = 11,868.32 × 2,365.52
  4. Step 4: Simplify right side
    7,912.29x = 28,074,677.16
  5. Step 5: Solve for x
    x = 28,074,677.16/7,912.29
  6. Step 6: Final answer
    x = 3,548.24

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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.