Home / 11,456.08-17,190.48-6,190.96

Finding the Fourth Proportional to 11,456.08, 17,190.48 and 6,190.96

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Solution

The fourth proportional to 11,456.08, 17,190.48 and 6,190.96 is: 9,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.08 : 17,190.48 = 6,190.96 : x
  2. Step 2: Convert to fraction form
    11,456.08/17,190.48 = 6,190.96/x
  3. Step 3: Cross multiply
    11,456.08x = 17,190.48 × 6,190.96
  4. Step 4: Simplify right side
    11,456.08x = 106,425,574.06
  5. Step 5: Solve for x
    x = 106,425,574.06/11,456.08
  6. Step 6: Final answer
    x = 9,289.88

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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.