Home / 11,112.56-16,668.84-4,452.05

Finding the Fourth Proportional to 11,112.56, 16,668.84 and 4,452.05

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Solution

The fourth proportional to 11,112.56, 16,668.84 and 4,452.05 is: 6,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.56 : 16,668.84 = 4,452.05 : x
  2. Step 2: Convert to fraction form
    11,112.56/16,668.84 = 4,452.05/x
  3. Step 3: Cross multiply
    11,112.56x = 16,668.84 × 4,452.05
  4. Step 4: Simplify right side
    11,112.56x = 74,210,425.78
  5. Step 5: Solve for x
    x = 74,210,425.78/11,112.56
  6. Step 6: Final answer
    x = 6,678.07

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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.