Home / 6,246.34-8,621.39-4,122.25

Finding the Fourth Proportional to 6,246.34, 8,621.39 and 4,122.25

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Solution

The fourth proportional to 6,246.34, 8,621.39 and 4,122.25 is: 5,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.34 : 8,621.39 = 4,122.25 : x
  2. Step 2: Convert to fraction form
    6,246.34/8,621.39 = 4,122.25/x
  3. Step 3: Cross multiply
    6,246.34x = 8,621.39 × 4,122.25
  4. Step 4: Simplify right side
    6,246.34x = 35,539,524.93
  5. Step 5: Solve for x
    x = 35,539,524.93/6,246.34
  6. Step 6: Final answer
    x = 5,689.66

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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.