Home / 11,116.32-16,677.36-4,190.88

Finding the Fourth Proportional to 11,116.32, 16,677.36 and 4,190.88

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Solution

The fourth proportional to 11,116.32, 16,677.36 and 4,190.88 is: 6,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.32 : 16,677.36 = 4,190.88 : x
  2. Step 2: Convert to fraction form
    11,116.32/16,677.36 = 4,190.88/x
  3. Step 3: Cross multiply
    11,116.32x = 16,677.36 × 4,190.88
  4. Step 4: Simplify right side
    11,116.32x = 69,892,814.48
  5. Step 5: Solve for x
    x = 69,892,814.48/11,116.32
  6. Step 6: Final answer
    x = 6,287.41

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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.