Home / 10,449.78-15,674.46-2,552.34

Finding the Fourth Proportional to 10,449.78, 15,674.46 and 2,552.34

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Solution

The fourth proportional to 10,449.78, 15,674.46 and 2,552.34 is: 3,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.78 : 15,674.46 = 2,552.34 : x
  2. Step 2: Convert to fraction form
    10,449.78/15,674.46 = 2,552.34/x
  3. Step 3: Cross multiply
    10,449.78x = 15,674.46 × 2,552.34
  4. Step 4: Simplify right side
    10,449.78x = 40,006,614.80
  5. Step 5: Solve for x
    x = 40,006,614.80/10,449.78
  6. Step 6: Final answer
    x = 3,828.47

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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.