Home / 8,908.23-13,364.79-3,065.31

Finding the Fourth Proportional to 8,908.23, 13,364.79 and 3,065.31

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Solution

The fourth proportional to 8,908.23, 13,364.79 and 3,065.31 is: 4,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.23 : 13,364.79 = 3,065.31 : x
  2. Step 2: Convert to fraction form
    8,908.23/13,364.79 = 3,065.31/x
  3. Step 3: Cross multiply
    8,908.23x = 13,364.79 × 3,065.31
  4. Step 4: Simplify right side
    8,908.23x = 40,967,224.43
  5. Step 5: Solve for x
    x = 40,967,224.43/8,908.23
  6. Step 6: Final answer
    x = 4,598.81

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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.