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Finding the Fourth Proportional to 6,105.99, 9,158.97 and 2,209.49

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Solution

The fourth proportional to 6,105.99, 9,158.97 and 2,209.49 is: 3,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.99 : 9,158.97 = 2,209.49 : x
  2. Step 2: Convert to fraction form
    6,105.99/9,158.97 = 2,209.49/x
  3. Step 3: Cross multiply
    6,105.99x = 9,158.97 × 2,209.49
  4. Step 4: Simplify right side
    6,105.99x = 20,236,606.83
  5. Step 5: Solve for x
    x = 20,236,606.83/6,105.99
  6. Step 6: Final answer
    x = 3,314.22

Related Problems

Find fourth proportional to 3,053.00, 4,579.49 and 1,104.74
Half scale
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Double scale
Find fourth proportional to 6,106.99, 9,160.47 and 2,210.49
Similar ratio
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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.