Home / 8,181.83-11,290.97-4,645.10

Finding the Fourth Proportional to 8,181.83, 11,290.97 and 4,645.10

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Solution

The fourth proportional to 8,181.83, 11,290.97 and 4,645.10 is: 6,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.83 : 11,290.97 = 4,645.10 : x
  2. Step 2: Convert to fraction form
    8,181.83/11,290.97 = 4,645.10/x
  3. Step 3: Cross multiply
    8,181.83x = 11,290.97 × 4,645.10
  4. Step 4: Simplify right side
    8,181.83x = 52,447,684.75
  5. Step 5: Solve for x
    x = 52,447,684.75/8,181.83
  6. Step 6: Final answer
    x = 6,410.26

Related Problems

Find fourth proportional to 4,090.92, 5,645.49 and 2,322.55
Half scale
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Double scale
Find fourth proportional to 8,182.83, 11,292.35 and 4,646.10
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.