Home / 10,983.26-15,156.94-5,947.54

Finding the Fourth Proportional to 10,983.26, 15,156.94 and 5,947.54

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Solution

The fourth proportional to 10,983.26, 15,156.94 and 5,947.54 is: 8,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.26 : 15,156.94 = 5,947.54 : x
  2. Step 2: Convert to fraction form
    10,983.26/15,156.94 = 5,947.54/x
  3. Step 3: Cross multiply
    10,983.26x = 15,156.94 × 5,947.54
  4. Step 4: Simplify right side
    10,983.26x = 90,146,506.93
  5. Step 5: Solve for x
    x = 90,146,506.93/10,983.26
  6. Step 6: Final answer
    x = 8,207.63

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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.