Home / 11,947.56-17,905.14-6,675

Finding the Fourth Proportional to 11,947.56, 17,905.14 and 6,675

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Solution

The fourth proportional to 11,947.56, 17,905.14 and 6,675 is: 10,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.56 : 17,905.14 = 6,675 : x
  2. Step 2: Convert to fraction form
    11,947.56/17,905.14 = 6,675/x
  3. Step 3: Cross multiply
    11,947.56x = 17,905.14 × 6,675
  4. Step 4: Simplify right side
    11,947.56x = 119,516,809.50
  5. Step 5: Solve for x
    x = 119,516,809.50/11,947.56
  6. Step 6: Final answer
    x = 10,003.45

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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.