Home / 10,467.28-15,687.55-4,908.37

Finding the Fourth Proportional to 10,467.28, 15,687.55 and 4,908.37

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Solution

The fourth proportional to 10,467.28, 15,687.55 and 4,908.37 is: 7,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.28 : 15,687.55 = 4,908.37 : x
  2. Step 2: Convert to fraction form
    10,467.28/15,687.55 = 4,908.37/x
  3. Step 3: Cross multiply
    10,467.28x = 15,687.55 × 4,908.37
  4. Step 4: Simplify right side
    10,467.28x = 77,000,299.79
  5. Step 5: Solve for x
    x = 77,000,299.79/10,467.28
  6. Step 6: Final answer
    x = 7,356.29

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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.