Home / 36,107.98-54,161.81-9,812.64

Finding the Fourth Proportional to 36,107.98, 54,161.81 and 9,812.64

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Solution

The fourth proportional to 36,107.98, 54,161.81 and 9,812.64 is: 14,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107.98 : 54,161.81 = 9,812.64 : x
  2. Step 2: Convert to fraction form
    36,107.98/54,161.81 = 9,812.64/x
  3. Step 3: Cross multiply
    36,107.98x = 54,161.81 × 9,812.64
  4. Step 4: Simplify right side
    36,107.98x = 531,470,589.32
  5. Step 5: Solve for x
    x = 531,470,589.32/36,107.98
  6. Step 6: Final answer
    x = 14,718.92

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1.5x scale

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.