Home / 11,716.12-17,574.16-4,790.62

Finding the Fourth Proportional to 11,716.12, 17,574.16 and 4,790.62

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Solution

The fourth proportional to 11,716.12, 17,574.16 and 4,790.62 is: 7,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.12 : 17,574.16 = 4,790.62 : x
  2. Step 2: Convert to fraction form
    11,716.12/17,574.16 = 4,790.62/x
  3. Step 3: Cross multiply
    11,716.12x = 17,574.16 × 4,790.62
  4. Step 4: Simplify right side
    11,716.12x = 84,191,122.38
  5. Step 5: Solve for x
    x = 84,191,122.38/11,716.12
  6. Step 6: Final answer
    x = 7,185.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.