Home / 11,714.28-16,166.13-6,677.69

Finding the Fourth Proportional to 11,714.28, 16,166.13 and 6,677.69

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Solution

The fourth proportional to 11,714.28, 16,166.13 and 6,677.69 is: 9,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.28 : 16,166.13 = 6,677.69 : x
  2. Step 2: Convert to fraction form
    11,714.28/16,166.13 = 6,677.69/x
  3. Step 3: Cross multiply
    11,714.28x = 16,166.13 × 6,677.69
  4. Step 4: Simplify right side
    11,714.28x = 107,952,427.26
  5. Step 5: Solve for x
    x = 107,952,427.26/11,714.28
  6. Step 6: Final answer
    x = 9,215.46

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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.