Home / 6,192.21-9,288.31-1,809.66

Finding the Fourth Proportional to 6,192.21, 9,288.31 and 1,809.66

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Solution

The fourth proportional to 6,192.21, 9,288.31 and 1,809.66 is: 2,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,192.21 : 9,288.31 = 1,809.66 : x
  2. Step 2: Convert to fraction form
    6,192.21/9,288.31 = 1,809.66/x
  3. Step 3: Cross multiply
    6,192.21x = 9,288.31 × 1,809.66
  4. Step 4: Simplify right side
    6,192.21x = 16,808,683.07
  5. Step 5: Solve for x
    x = 16,808,683.07/6,192.21
  6. Step 6: Final answer
    x = 2,714.49

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Double scale
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Similar ratio
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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.