Home / 12,584.70-17,366.52-6,919.46

Finding the Fourth Proportional to 12,584.70, 17,366.52 and 6,919.46

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Solution

The fourth proportional to 12,584.70, 17,366.52 and 6,919.46 is: 9,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.70 : 17,366.52 = 6,919.46 : x
  2. Step 2: Convert to fraction form
    12,584.70/17,366.52 = 6,919.46/x
  3. Step 3: Cross multiply
    12,584.70x = 17,366.52 × 6,919.46
  4. Step 4: Simplify right side
    12,584.70x = 120,166,905.88
  5. Step 5: Solve for x
    x = 120,166,905.88/12,584.70
  6. Step 6: Final answer
    x = 9,548.65

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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.