Home / 11,107.28-16,663.48-3,316.88

Finding the Fourth Proportional to 11,107.28, 16,663.48 and 3,316.88

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Solution

The fourth proportional to 11,107.28, 16,663.48 and 3,316.88 is: 4,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.28 : 16,663.48 = 3,316.88 : x
  2. Step 2: Convert to fraction form
    11,107.28/16,663.48 = 3,316.88/x
  3. Step 3: Cross multiply
    11,107.28x = 16,663.48 × 3,316.88
  4. Step 4: Simplify right side
    11,107.28x = 55,270,763.54
  5. Step 5: Solve for x
    x = 55,270,763.54/11,107.28
  6. Step 6: Final answer
    x = 4,976.08

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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.