Home / 11,051.20-16,576.80-6,677.20

Finding the Fourth Proportional to 11,051.20, 16,576.80 and 6,677.20

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Solution

The fourth proportional to 11,051.20, 16,576.80 and 6,677.20 is: 10,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.20 : 16,576.80 = 6,677.20 : x
  2. Step 2: Convert to fraction form
    11,051.20/16,576.80 = 6,677.20/x
  3. Step 3: Cross multiply
    11,051.20x = 16,576.80 × 6,677.20
  4. Step 4: Simplify right side
    11,051.20x = 110,686,608.96
  5. Step 5: Solve for x
    x = 110,686,608.96/11,051.20
  6. Step 6: Final answer
    x = 10,015.80

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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.