Home / 10,611.08-15,917.66-3,947.94

Finding the Fourth Proportional to 10,611.08, 15,917.66 and 3,947.94

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Solution

The fourth proportional to 10,611.08, 15,917.66 and 3,947.94 is: 5,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.08 : 15,917.66 = 3,947.94 : x
  2. Step 2: Convert to fraction form
    10,611.08/15,917.66 = 3,947.94/x
  3. Step 3: Cross multiply
    10,611.08x = 15,917.66 × 3,947.94
  4. Step 4: Simplify right side
    10,611.08x = 62,841,946.88
  5. Step 5: Solve for x
    x = 62,841,946.88/10,611.08
  6. Step 6: Final answer
    x = 5,922.30

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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.