Home / 11,923.16-16,452.18-6,617.96

Finding the Fourth Proportional to 11,923.16, 16,452.18 and 6,617.96

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Solution

The fourth proportional to 11,923.16, 16,452.18 and 6,617.96 is: 9,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.16 : 16,452.18 = 6,617.96 : x
  2. Step 2: Convert to fraction form
    11,923.16/16,452.18 = 6,617.96/x
  3. Step 3: Cross multiply
    11,923.16x = 16,452.18 × 6,617.96
  4. Step 4: Simplify right side
    11,923.16x = 108,879,869.15
  5. Step 5: Solve for x
    x = 108,879,869.15/11,923.16
  6. Step 6: Final answer
    x = 9,131.80

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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.