Home / 6,213.42-8,574.48-3,418.92

Finding the Fourth Proportional to 6,213.42, 8,574.48 and 3,418.92

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Solution

The fourth proportional to 6,213.42, 8,574.48 and 3,418.92 is: 4,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.42 : 8,574.48 = 3,418.92 : x
  2. Step 2: Convert to fraction form
    6,213.42/8,574.48 = 3,418.92/x
  3. Step 3: Cross multiply
    6,213.42x = 8,574.48 × 3,418.92
  4. Step 4: Simplify right side
    6,213.42x = 29,315,461.16
  5. Step 5: Solve for x
    x = 29,315,461.16/6,213.42
  6. Step 6: Final answer
    x = 4,718.09

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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.