Home / 9,185.42-13,777.86-2,945.36

Finding the Fourth Proportional to 9,185.42, 13,777.86 and 2,945.36

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Solution

The fourth proportional to 9,185.42, 13,777.86 and 2,945.36 is: 4,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.42 : 13,777.86 = 2,945.36 : x
  2. Step 2: Convert to fraction form
    9,185.42/13,777.86 = 2,945.36/x
  3. Step 3: Cross multiply
    9,185.42x = 13,777.86 × 2,945.36
  4. Step 4: Simplify right side
    9,185.42x = 40,580,757.73
  5. Step 5: Solve for x
    x = 40,580,757.73/9,185.42
  6. Step 6: Final answer
    x = 4,417.95

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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.