Home / 7,864.82-10,853.41-4,327.94

Finding the Fourth Proportional to 7,864.82, 10,853.41 and 4,327.94

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Solution

The fourth proportional to 7,864.82, 10,853.41 and 4,327.94 is: 5,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.82 : 10,853.41 = 4,327.94 : x
  2. Step 2: Convert to fraction form
    7,864.82/10,853.41 = 4,327.94/x
  3. Step 3: Cross multiply
    7,864.82x = 10,853.41 × 4,327.94
  4. Step 4: Simplify right side
    7,864.82x = 46,972,907.28
  5. Step 5: Solve for x
    x = 46,972,907.28/7,864.82
  6. Step 6: Final answer
    x = 5,972.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.