Home / 6,719.46-9,268.08-4,480.22

Finding the Fourth Proportional to 6,719.46, 9,268.08 and 4,480.22

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Solution

The fourth proportional to 6,719.46, 9,268.08 and 4,480.22 is: 6,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.46 : 9,268.08 = 4,480.22 : x
  2. Step 2: Convert to fraction form
    6,719.46/9,268.08 = 4,480.22/x
  3. Step 3: Cross multiply
    6,719.46x = 9,268.08 × 4,480.22
  4. Step 4: Simplify right side
    6,719.46x = 41,523,037.38
  5. Step 5: Solve for x
    x = 41,523,037.38/6,719.46
  6. Step 6: Final answer
    x = 6,179.52

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Half scale
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Find fourth proportional to 6,720.46, 9,269.46 and 4,481.22
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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.