Home / 9,992.36-13,790.34-5,517.08

Finding the Fourth Proportional to 9,992.36, 13,790.34 and 5,517.08

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Solution

The fourth proportional to 9,992.36, 13,790.34 and 5,517.08 is: 7,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.36 : 13,790.34 = 5,517.08 : x
  2. Step 2: Convert to fraction form
    9,992.36/13,790.34 = 5,517.08/x
  3. Step 3: Cross multiply
    9,992.36x = 13,790.34 × 5,517.08
  4. Step 4: Simplify right side
    9,992.36x = 76,082,409.01
  5. Step 5: Solve for x
    x = 76,082,409.01/9,992.36
  6. Step 6: Final answer
    x = 7,614.06

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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.