Home / 10,819.38-14,930.46-6,103.29

Finding the Fourth Proportional to 10,819.38, 14,930.46 and 6,103.29

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Solution

The fourth proportional to 10,819.38, 14,930.46 and 6,103.29 is: 8,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.38 : 14,930.46 = 6,103.29 : x
  2. Step 2: Convert to fraction form
    10,819.38/14,930.46 = 6,103.29/x
  3. Step 3: Cross multiply
    10,819.38x = 14,930.46 × 6,103.29
  4. Step 4: Simplify right side
    10,819.38x = 91,124,927.21
  5. Step 5: Solve for x
    x = 91,124,927.21/10,819.38
  6. Step 6: Final answer
    x = 8,422.38

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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.