Home / 11,213.56-15,468.72-6,963.28

Finding the Fourth Proportional to 11,213.56, 15,468.72 and 6,963.28

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Solution

The fourth proportional to 11,213.56, 15,468.72 and 6,963.28 is: 9,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.56 : 15,468.72 = 6,963.28 : x
  2. Step 2: Convert to fraction form
    11,213.56/15,468.72 = 6,963.28/x
  3. Step 3: Cross multiply
    11,213.56x = 15,468.72 × 6,963.28
  4. Step 4: Simplify right side
    11,213.56x = 107,713,028.60
  5. Step 5: Solve for x
    x = 107,713,028.60/11,213.56
  6. Step 6: Final answer
    x = 9,605.61

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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.