Home / 8,261.07-12,392.38-2,714.43

Finding the Fourth Proportional to 8,261.07, 12,392.38 and 2,714.43

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Solution

The fourth proportional to 8,261.07, 12,392.38 and 2,714.43 is: 4,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.07 : 12,392.38 = 2,714.43 : x
  2. Step 2: Convert to fraction form
    8,261.07/12,392.38 = 2,714.43/x
  3. Step 3: Cross multiply
    8,261.07x = 12,392.38 × 2,714.43
  4. Step 4: Simplify right side
    8,261.07x = 33,638,297.91
  5. Step 5: Solve for x
    x = 33,638,297.91/8,261.07
  6. Step 6: Final answer
    x = 4,071.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.