Home / 12,464.10-18,694.58-5,448.94

Finding the Fourth Proportional to 12,464.10, 18,694.58 and 5,448.94

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Solution

The fourth proportional to 12,464.10, 18,694.58 and 5,448.94 is: 8,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.10 : 18,694.58 = 5,448.94 : x
  2. Step 2: Convert to fraction form
    12,464.10/18,694.58 = 5,448.94/x
  3. Step 3: Cross multiply
    12,464.10x = 18,694.58 × 5,448.94
  4. Step 4: Simplify right side
    12,464.10x = 101,865,644.75
  5. Step 5: Solve for x
    x = 101,865,644.75/12,464.10
  6. Step 6: Final answer
    x = 8,172.72

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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.