Home / 10,678.42-14,735.28-5,961.79

Finding the Fourth Proportional to 10,678.42, 14,735.28 and 5,961.79

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Solution

The fourth proportional to 10,678.42, 14,735.28 and 5,961.79 is: 8,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.42 : 14,735.28 = 5,961.79 : x
  2. Step 2: Convert to fraction form
    10,678.42/14,735.28 = 5,961.79/x
  3. Step 3: Cross multiply
    10,678.42x = 14,735.28 × 5,961.79
  4. Step 4: Simplify right side
    10,678.42x = 87,848,644.95
  5. Step 5: Solve for x
    x = 87,848,644.95/10,678.42
  6. Step 6: Final answer
    x = 8,226.75

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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.