Home / 11,050.65-16,555.11-8,556.12

Finding the Fourth Proportional to 11,050.65, 16,555.11 and 8,556.12

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Solution

The fourth proportional to 11,050.65, 16,555.11 and 8,556.12 is: 12,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.65 : 16,555.11 = 8,556.12 : x
  2. Step 2: Convert to fraction form
    11,050.65/16,555.11 = 8,556.12/x
  3. Step 3: Cross multiply
    11,050.65x = 16,555.11 × 8,556.12
  4. Step 4: Simplify right side
    11,050.65x = 141,647,507.77
  5. Step 5: Solve for x
    x = 141,647,507.77/11,050.65
  6. Step 6: Final answer
    x = 12,818.02

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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.