Home / 11,016.69-15,207.08-8,047.77

Finding the Fourth Proportional to 11,016.69, 15,207.08 and 8,047.77

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Solution

The fourth proportional to 11,016.69, 15,207.08 and 8,047.77 is: 11,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.69 : 15,207.08 = 8,047.77 : x
  2. Step 2: Convert to fraction form
    11,016.69/15,207.08 = 8,047.77/x
  3. Step 3: Cross multiply
    11,016.69x = 15,207.08 × 8,047.77
  4. Step 4: Simplify right side
    11,016.69x = 122,383,041.97
  5. Step 5: Solve for x
    x = 122,383,041.97/11,016.69
  6. Step 6: Final answer
    x = 11,108.88

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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.