Home / 11,176.20-16,764.30-5,627.40

Finding the Fourth Proportional to 11,176.20, 16,764.30 and 5,627.40

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Solution

The fourth proportional to 11,176.20, 16,764.30 and 5,627.40 is: 8,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.20 : 16,764.30 = 5,627.40 : x
  2. Step 2: Convert to fraction form
    11,176.20/16,764.30 = 5,627.40/x
  3. Step 3: Cross multiply
    11,176.20x = 16,764.30 × 5,627.40
  4. Step 4: Simplify right side
    11,176.20x = 94,339,421.82
  5. Step 5: Solve for x
    x = 94,339,421.82/11,176.20
  6. Step 6: Final answer
    x = 8,441.10

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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.