Home / 11,087.20-16,630.80-7,396.64

Finding the Fourth Proportional to 11,087.20, 16,630.80 and 7,396.64

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Solution

The fourth proportional to 11,087.20, 16,630.80 and 7,396.64 is: 11,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.20 : 16,630.80 = 7,396.64 : x
  2. Step 2: Convert to fraction form
    11,087.20/16,630.80 = 7,396.64/x
  3. Step 3: Cross multiply
    11,087.20x = 16,630.80 × 7,396.64
  4. Step 4: Simplify right side
    11,087.20x = 123,012,040.51
  5. Step 5: Solve for x
    x = 123,012,040.51/11,087.20
  6. Step 6: Final answer
    x = 11,094.96

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Double scale
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Similar ratio
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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.