Home / 9,819.06-14,728.59-2,891.94

Finding the Fourth Proportional to 9,819.06, 14,728.59 and 2,891.94

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Solution

The fourth proportional to 9,819.06, 14,728.59 and 2,891.94 is: 4,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.06 : 14,728.59 = 2,891.94 : x
  2. Step 2: Convert to fraction form
    9,819.06/14,728.59 = 2,891.94/x
  3. Step 3: Cross multiply
    9,819.06x = 14,728.59 × 2,891.94
  4. Step 4: Simplify right side
    9,819.06x = 42,594,198.56
  5. Step 5: Solve for x
    x = 42,594,198.56/9,819.06
  6. Step 6: Final answer
    x = 4,337.91

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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.