Home / 7,838.32-11,757.56-1,994.93

Finding the Fourth Proportional to 7,838.32, 11,757.56 and 1,994.93

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Solution

The fourth proportional to 7,838.32, 11,757.56 and 1,994.93 is: 2,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.32 : 11,757.56 = 1,994.93 : x
  2. Step 2: Convert to fraction form
    7,838.32/11,757.56 = 1,994.93/x
  3. Step 3: Cross multiply
    7,838.32x = 11,757.56 × 1,994.93
  4. Step 4: Simplify right side
    7,838.32x = 23,455,509.17
  5. Step 5: Solve for x
    x = 23,455,509.17/7,838.32
  6. Step 6: Final answer
    x = 2,992.42

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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.