Home / 7,922.32-11,875.23-2,653.36

Finding the Fourth Proportional to 7,922.32, 11,875.23 and 2,653.36

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Solution

The fourth proportional to 7,922.32, 11,875.23 and 2,653.36 is: 3,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.32 : 11,875.23 = 2,653.36 : x
  2. Step 2: Convert to fraction form
    7,922.32/11,875.23 = 2,653.36/x
  3. Step 3: Cross multiply
    7,922.32x = 11,875.23 × 2,653.36
  4. Step 4: Simplify right side
    7,922.32x = 31,509,230.58
  5. Step 5: Solve for x
    x = 31,509,230.58/7,922.32
  6. Step 6: Final answer
    x = 3,977.27

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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.