Home / 11,714.87-16,168.34-6,679.10

Finding the Fourth Proportional to 11,714.87, 16,168.34 and 6,679.10

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Solution

The fourth proportional to 11,714.87, 16,168.34 and 6,679.10 is: 9,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.87 : 16,168.34 = 6,679.10 : x
  2. Step 2: Convert to fraction form
    11,714.87/16,168.34 = 6,679.10/x
  3. Step 3: Cross multiply
    11,714.87x = 16,168.34 × 6,679.10
  4. Step 4: Simplify right side
    11,714.87x = 107,989,959.69
  5. Step 5: Solve for x
    x = 107,989,959.69/11,714.87
  6. Step 6: Final answer
    x = 9,218.20

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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.