Home / 10,668.72-14,722.20-6,192.12

Finding the Fourth Proportional to 10,668.72, 14,722.20 and 6,192.12

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Solution

The fourth proportional to 10,668.72, 14,722.20 and 6,192.12 is: 8,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.72 : 14,722.20 = 6,192.12 : x
  2. Step 2: Convert to fraction form
    10,668.72/14,722.20 = 6,192.12/x
  3. Step 3: Cross multiply
    10,668.72x = 14,722.20 × 6,192.12
  4. Step 4: Simplify right side
    10,668.72x = 91,161,629.06
  5. Step 5: Solve for x
    x = 91,161,629.06/10,668.72
  6. Step 6: Final answer
    x = 8,544.76

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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.