Home / 10,631.43-15,946.97-3,705.75

Finding the Fourth Proportional to 10,631.43, 15,946.97 and 3,705.75

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Solution

The fourth proportional to 10,631.43, 15,946.97 and 3,705.75 is: 5,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.43 : 15,946.97 = 3,705.75 : x
  2. Step 2: Convert to fraction form
    10,631.43/15,946.97 = 3,705.75/x
  3. Step 3: Cross multiply
    10,631.43x = 15,946.97 × 3,705.75
  4. Step 4: Simplify right side
    10,631.43x = 59,095,465.55
  5. Step 5: Solve for x
    x = 59,095,465.55/10,631.43
  6. Step 6: Final answer
    x = 5,558.56

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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.