Home / 10,472.57-15,709.62-3,898.75

Finding the Fourth Proportional to 10,472.57, 15,709.62 and 3,898.75

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Solution

The fourth proportional to 10,472.57, 15,709.62 and 3,898.75 is: 5,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.57 : 15,709.62 = 3,898.75 : x
  2. Step 2: Convert to fraction form
    10,472.57/15,709.62 = 3,898.75/x
  3. Step 3: Cross multiply
    10,472.57x = 15,709.62 × 3,898.75
  4. Step 4: Simplify right side
    10,472.57x = 61,247,880.98
  5. Step 5: Solve for x
    x = 61,247,880.98/10,472.57
  6. Step 6: Final answer
    x = 5,848.41

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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.