Home / 10,982.97-15,156.44-5,947.09

Finding the Fourth Proportional to 10,982.97, 15,156.44 and 5,947.09

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Solution

The fourth proportional to 10,982.97, 15,156.44 and 5,947.09 is: 8,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.97 : 15,156.44 = 5,947.09 : x
  2. Step 2: Convert to fraction form
    10,982.97/15,156.44 = 5,947.09/x
  3. Step 3: Cross multiply
    10,982.97x = 15,156.44 × 5,947.09
  4. Step 4: Simplify right side
    10,982.97x = 90,136,645.13
  5. Step 5: Solve for x
    x = 90,136,645.13/10,982.97
  6. Step 6: Final answer
    x = 8,206.94

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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.