Home / 10,990.86-16,476.30-4,060.50

Finding the Fourth Proportional to 10,990.86, 16,476.30 and 4,060.50

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Solution

The fourth proportional to 10,990.86, 16,476.30 and 4,060.50 is: 6,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.86 : 16,476.30 = 4,060.50 : x
  2. Step 2: Convert to fraction form
    10,990.86/16,476.30 = 4,060.50/x
  3. Step 3: Cross multiply
    10,990.86x = 16,476.30 × 4,060.50
  4. Step 4: Simplify right side
    10,990.86x = 66,902,016.15
  5. Step 5: Solve for x
    x = 66,902,016.15/10,990.86
  6. Step 6: Final answer
    x = 6,087.06

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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.