Home / 11,714.20-16,167.08-6,680.22

Finding the Fourth Proportional to 11,714.20, 16,167.08 and 6,680.22

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Solution

The fourth proportional to 11,714.20, 16,167.08 and 6,680.22 is: 9,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.20 : 16,167.08 = 6,680.22 : x
  2. Step 2: Convert to fraction form
    11,714.20/16,167.08 = 6,680.22/x
  3. Step 3: Cross multiply
    11,714.20x = 16,167.08 × 6,680.22
  4. Step 4: Simplify right side
    11,714.20x = 107,999,651.16
  5. Step 5: Solve for x
    x = 107,999,651.16/11,714.20
  6. Step 6: Final answer
    x = 9,219.55

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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.