Home / 11,714.66-16,165.50-6,678.16

Finding the Fourth Proportional to 11,714.66, 16,165.50 and 6,678.16

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Solution

The fourth proportional to 11,714.66, 16,165.50 and 6,678.16 is: 9,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.66 : 16,165.50 = 6,678.16 : x
  2. Step 2: Convert to fraction form
    11,714.66/16,165.50 = 6,678.16/x
  3. Step 3: Cross multiply
    11,714.66x = 16,165.50 × 6,678.16
  4. Step 4: Simplify right side
    11,714.66x = 107,955,795.48
  5. Step 5: Solve for x
    x = 107,955,795.48/11,714.66
  6. Step 6: Final answer
    x = 9,215.44

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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.