Home / 6,246.39-8,621.54-3,559.19

Finding the Fourth Proportional to 6,246.39, 8,621.54 and 3,559.19

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Solution

The fourth proportional to 6,246.39, 8,621.54 and 3,559.19 is: 4,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.39 : 8,621.54 = 3,559.19 : x
  2. Step 2: Convert to fraction form
    6,246.39/8,621.54 = 3,559.19/x
  3. Step 3: Cross multiply
    6,246.39x = 8,621.54 × 3,559.19
  4. Step 4: Simplify right side
    6,246.39x = 30,685,701.52
  5. Step 5: Solve for x
    x = 30,685,701.52/6,246.39
  6. Step 6: Final answer
    x = 4,912.55

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Half scale
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Double scale
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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.