Home / 9,309.81-13,961.74-3,068.43

Finding the Fourth Proportional to 9,309.81, 13,961.74 and 3,068.43

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Solution

The fourth proportional to 9,309.81, 13,961.74 and 3,068.43 is: 4,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.81 : 13,961.74 = 3,068.43 : x
  2. Step 2: Convert to fraction form
    9,309.81/13,961.74 = 3,068.43/x
  3. Step 3: Cross multiply
    9,309.81x = 13,961.74 × 3,068.43
  4. Step 4: Simplify right side
    9,309.81x = 42,840,621.87
  5. Step 5: Solve for x
    x = 42,840,621.87/9,309.81
  6. Step 6: Final answer
    x = 4,601.66

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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.