Home / 9,300.47-13,950.99-3,378.56

Finding the Fourth Proportional to 9,300.47, 13,950.99 and 3,378.56

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Solution

The fourth proportional to 9,300.47, 13,950.99 and 3,378.56 is: 5,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,300.47 : 13,950.99 = 3,378.56 : x
  2. Step 2: Convert to fraction form
    9,300.47/13,950.99 = 3,378.56/x
  3. Step 3: Cross multiply
    9,300.47x = 13,950.99 × 3,378.56
  4. Step 4: Simplify right side
    9,300.47x = 47,134,187.02
  5. Step 5: Solve for x
    x = 47,134,187.02/9,300.47
  6. Step 6: Final answer
    x = 5,067.94

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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.