Home / 8,182.41-11,290.56-4,645.14

Finding the Fourth Proportional to 8,182.41, 11,290.56 and 4,645.14

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Solution

The fourth proportional to 8,182.41, 11,290.56 and 4,645.14 is: 6,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.41 : 11,290.56 = 4,645.14 : x
  2. Step 2: Convert to fraction form
    8,182.41/11,290.56 = 4,645.14/x
  3. Step 3: Cross multiply
    8,182.41x = 11,290.56 × 4,645.14
  4. Step 4: Simplify right side
    8,182.41x = 52,446,231.88
  5. Step 5: Solve for x
    x = 52,446,231.88/8,182.41
  6. Step 6: Final answer
    x = 6,409.63

Related Problems

Find fourth proportional to 4,091.21, 5,645.28 and 2,322.57
Half scale
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Double scale
Find fourth proportional to 8,183.41, 11,291.94 and 4,646.14
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.