Home / 10,819.13-14,930.39-6,103.31

Finding the Fourth Proportional to 10,819.13, 14,930.39 and 6,103.31

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Solution

The fourth proportional to 10,819.13, 14,930.39 and 6,103.31 is: 8,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.13 : 14,930.39 = 6,103.31 : x
  2. Step 2: Convert to fraction form
    10,819.13/14,930.39 = 6,103.31/x
  3. Step 3: Cross multiply
    10,819.13x = 14,930.39 × 6,103.31
  4. Step 4: Simplify right side
    10,819.13x = 91,124,739.20
  5. Step 5: Solve for x
    x = 91,124,739.20/10,819.13
  6. Step 6: Final answer
    x = 8,422.56

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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.