Home / 8,180.82-11,290.12-4,644.26

Finding the Fourth Proportional to 8,180.82, 11,290.12 and 4,644.26

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Solution

The fourth proportional to 8,180.82, 11,290.12 and 4,644.26 is: 6,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.82 : 11,290.12 = 4,644.26 : x
  2. Step 2: Convert to fraction form
    8,180.82/11,290.12 = 4,644.26/x
  3. Step 3: Cross multiply
    8,180.82x = 11,290.12 × 4,644.26
  4. Step 4: Simplify right side
    8,180.82x = 52,434,252.71
  5. Step 5: Solve for x
    x = 52,434,252.71/8,180.82
  6. Step 6: Final answer
    x = 6,409.41

Related Problems

Find fourth proportional to 4,090.41, 5,645.06 and 2,322.13
Half scale
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Double scale
Find fourth proportional to 8,181.82, 11,291.50 and 4,645.26
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.