Home / 10,767.72-16,175.88-6,388.06

Finding the Fourth Proportional to 10,767.72, 16,175.88 and 6,388.06

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Solution

The fourth proportional to 10,767.72, 16,175.88 and 6,388.06 is: 9,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,767.72 : 16,175.88 = 6,388.06 : x
  2. Step 2: Convert to fraction form
    10,767.72/16,175.88 = 6,388.06/x
  3. Step 3: Cross multiply
    10,767.72x = 16,175.88 × 6,388.06
  4. Step 4: Simplify right side
    10,767.72x = 103,332,491.99
  5. Step 5: Solve for x
    x = 103,332,491.99/10,767.72
  6. Step 6: Final answer
    x = 9,596.51

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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.