Home / 12,020.92-16,590.03-6,716.08

Finding the Fourth Proportional to 12,020.92, 16,590.03 and 6,716.08

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Solution

The fourth proportional to 12,020.92, 16,590.03 and 6,716.08 is: 9,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.92 : 16,590.03 = 6,716.08 : x
  2. Step 2: Convert to fraction form
    12,020.92/16,590.03 = 6,716.08/x
  3. Step 3: Cross multiply
    12,020.92x = 16,590.03 × 6,716.08
  4. Step 4: Simplify right side
    12,020.92x = 111,419,968.68
  5. Step 5: Solve for x
    x = 111,419,968.68/12,020.92
  6. Step 6: Final answer
    x = 9,268.84

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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.