Home / 12,190.23-16,823.30-6,883.11

Finding the Fourth Proportional to 12,190.23, 16,823.30 and 6,883.11

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Solution

The fourth proportional to 12,190.23, 16,823.30 and 6,883.11 is: 9,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.23 : 16,823.30 = 6,883.11 : x
  2. Step 2: Convert to fraction form
    12,190.23/16,823.30 = 6,883.11/x
  3. Step 3: Cross multiply
    12,190.23x = 16,823.30 × 6,883.11
  4. Step 4: Simplify right side
    12,190.23x = 115,796,590.05
  5. Step 5: Solve for x
    x = 115,796,590.05/12,190.23
  6. Step 6: Final answer
    x = 9,499.13

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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.