Home / 7,836.32-11,754.56-1,992.93

Finding the Fourth Proportional to 7,836.32, 11,754.56 and 1,992.93

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Solution

The fourth proportional to 7,836.32, 11,754.56 and 1,992.93 is: 2,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.32 : 11,754.56 = 1,992.93 : x
  2. Step 2: Convert to fraction form
    7,836.32/11,754.56 = 1,992.93/x
  3. Step 3: Cross multiply
    7,836.32x = 11,754.56 × 1,992.93
  4. Step 4: Simplify right side
    7,836.32x = 23,426,012.77
  5. Step 5: Solve for x
    x = 23,426,012.77/7,836.32
  6. Step 6: Final answer
    x = 2,989.41

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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.