Home / 11,261.36-16,888.32-7,310.16

Finding the Fourth Proportional to 11,261.36, 16,888.32 and 7,310.16

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Solution

The fourth proportional to 11,261.36, 16,888.32 and 7,310.16 is: 10,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.36 : 16,888.32 = 7,310.16 : x
  2. Step 2: Convert to fraction form
    11,261.36/16,888.32 = 7,310.16/x
  3. Step 3: Cross multiply
    11,261.36x = 16,888.32 × 7,310.16
  4. Step 4: Simplify right side
    11,261.36x = 123,456,321.33
  5. Step 5: Solve for x
    x = 123,456,321.33/11,261.36
  6. Step 6: Final answer
    x = 10,962.83

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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.