Home / 11,109.36-16,655.79-6,725.76

Finding the Fourth Proportional to 11,109.36, 16,655.79 and 6,725.76

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Solution

The fourth proportional to 11,109.36, 16,655.79 and 6,725.76 is: 10,083.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.36 : 16,655.79 = 6,725.76 : x
  2. Step 2: Convert to fraction form
    11,109.36/16,655.79 = 6,725.76/x
  3. Step 3: Cross multiply
    11,109.36x = 16,655.79 × 6,725.76
  4. Step 4: Simplify right side
    11,109.36x = 112,022,846.15
  5. Step 5: Solve for x
    x = 112,022,846.15/11,109.36
  6. Step 6: Final answer
    x = 10,083.65

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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.