Home / 10,020.24-13,832.64-6,668.55

Finding the Fourth Proportional to 10,020.24, 13,832.64 and 6,668.55

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Solution

The fourth proportional to 10,020.24, 13,832.64 and 6,668.55 is: 9,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.24 : 13,832.64 = 6,668.55 : x
  2. Step 2: Convert to fraction form
    10,020.24/13,832.64 = 6,668.55/x
  3. Step 3: Cross multiply
    10,020.24x = 13,832.64 × 6,668.55
  4. Step 4: Simplify right side
    10,020.24x = 92,243,651.47
  5. Step 5: Solve for x
    x = 92,243,651.47/10,020.24
  6. Step 6: Final answer
    x = 9,205.73

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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.