Home / 11,279.70-15,567.33-6,563.97

Finding the Fourth Proportional to 11,279.70, 15,567.33 and 6,563.97

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Solution

The fourth proportional to 11,279.70, 15,567.33 and 6,563.97 is: 9,059.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.70 : 15,567.33 = 6,563.97 : x
  2. Step 2: Convert to fraction form
    11,279.70/15,567.33 = 6,563.97/x
  3. Step 3: Cross multiply
    11,279.70x = 15,567.33 × 6,563.97
  4. Step 4: Simplify right side
    11,279.70x = 102,183,487.10
  5. Step 5: Solve for x
    x = 102,183,487.10/11,279.70
  6. Step 6: Final answer
    x = 9,059.06

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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.