Home / 10,819.99-14,926.38-6,340.96

Finding the Fourth Proportional to 10,819.99, 14,926.38 and 6,340.96

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Solution

The fourth proportional to 10,819.99, 14,926.38 and 6,340.96 is: 8,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.99 : 14,926.38 = 6,340.96 : x
  2. Step 2: Convert to fraction form
    10,819.99/14,926.38 = 6,340.96/x
  3. Step 3: Cross multiply
    10,819.99x = 14,926.38 × 6,340.96
  4. Step 4: Simplify right side
    10,819.99x = 94,647,578.52
  5. Step 5: Solve for x
    x = 94,647,578.52/10,819.99
  6. Step 6: Final answer
    x = 8,747.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.