Home / 10,694.40-16,041.60-6,757.80

Finding the Fourth Proportional to 10,694.40, 16,041.60 and 6,757.80

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Solution

The fourth proportional to 10,694.40, 16,041.60 and 6,757.80 is: 10,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,694.40 : 16,041.60 = 6,757.80 : x
  2. Step 2: Convert to fraction form
    10,694.40/16,041.60 = 6,757.80/x
  3. Step 3: Cross multiply
    10,694.40x = 16,041.60 × 6,757.80
  4. Step 4: Simplify right side
    10,694.40x = 108,405,924.48
  5. Step 5: Solve for x
    x = 108,405,924.48/10,694.40
  6. Step 6: Final answer
    x = 10,136.70

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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.