Home / 8,182.12-11,291.22-4,456.12

Finding the Fourth Proportional to 8,182.12, 11,291.22 and 4,456.12

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Solution

The fourth proportional to 8,182.12, 11,291.22 and 4,456.12 is: 6,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.12 : 11,291.22 = 4,456.12 : x
  2. Step 2: Convert to fraction form
    8,182.12/11,291.22 = 4,456.12/x
  3. Step 3: Cross multiply
    8,182.12x = 11,291.22 × 4,456.12
  4. Step 4: Simplify right side
    8,182.12x = 50,315,031.27
  5. Step 5: Solve for x
    x = 50,315,031.27/8,182.12
  6. Step 6: Final answer
    x = 6,149.39

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Find fourth proportional to 4,091.06, 5,645.61 and 2,228.06
Half scale
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Double scale
Find fourth proportional to 8,183.12, 11,292.60 and 4,457.12
Similar ratio
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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.