Home / 11,052.20-16,583.70-5,207.80

Finding the Fourth Proportional to 11,052.20, 16,583.70 and 5,207.80

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Solution

The fourth proportional to 11,052.20, 16,583.70 and 5,207.80 is: 7,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.20 : 16,583.70 = 5,207.80 : x
  2. Step 2: Convert to fraction form
    11,052.20/16,583.70 = 5,207.80/x
  3. Step 3: Cross multiply
    11,052.20x = 16,583.70 × 5,207.80
  4. Step 4: Simplify right side
    11,052.20x = 86,364,592.86
  5. Step 5: Solve for x
    x = 86,364,592.86/11,052.20
  6. Step 6: Final answer
    x = 7,814.24

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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.