Home / 11,933.34-16,468.16-6,628.65

Finding the Fourth Proportional to 11,933.34, 16,468.16 and 6,628.65

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Solution

The fourth proportional to 11,933.34, 16,468.16 and 6,628.65 is: 9,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.34 : 16,468.16 = 6,628.65 : x
  2. Step 2: Convert to fraction form
    11,933.34/16,468.16 = 6,628.65/x
  3. Step 3: Cross multiply
    11,933.34x = 16,468.16 × 6,628.65
  4. Step 4: Simplify right side
    11,933.34x = 109,161,668.78
  5. Step 5: Solve for x
    x = 109,161,668.78/11,933.34
  6. Step 6: Final answer
    x = 9,147.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.