Home / 11,923.12-16,452.84-6,618.07

Finding the Fourth Proportional to 11,923.12, 16,452.84 and 6,618.07

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Solution

The fourth proportional to 11,923.12, 16,452.84 and 6,618.07 is: 9,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.12 : 16,452.84 = 6,618.07 : x
  2. Step 2: Convert to fraction form
    11,923.12/16,452.84 = 6,618.07/x
  3. Step 3: Cross multiply
    11,923.12x = 16,452.84 × 6,618.07
  4. Step 4: Simplify right side
    11,923.12x = 108,886,046.82
  5. Step 5: Solve for x
    x = 108,886,046.82/11,923.12
  6. Step 6: Final answer
    x = 9,132.35

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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.