Home / 7,932.12-11,894.14-2,665.32

Finding the Fourth Proportional to 7,932.12, 11,894.14 and 2,665.32

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Solution

The fourth proportional to 7,932.12, 11,894.14 and 2,665.32 is: 3,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.12 : 11,894.14 = 2,665.32 : x
  2. Step 2: Convert to fraction form
    7,932.12/11,894.14 = 2,665.32/x
  3. Step 3: Cross multiply
    7,932.12x = 11,894.14 × 2,665.32
  4. Step 4: Simplify right side
    7,932.12x = 31,701,689.22
  5. Step 5: Solve for x
    x = 31,701,689.22/7,932.12
  6. Step 6: Final answer
    x = 3,996.62

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1.5x scale

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.