Home / 7,412.10-11,114.43-3,250.28

Finding the Fourth Proportional to 7,412.10, 11,114.43 and 3,250.28

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Solution

The fourth proportional to 7,412.10, 11,114.43 and 3,250.28 is: 4,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.10 : 11,114.43 = 3,250.28 : x
  2. Step 2: Convert to fraction form
    7,412.10/11,114.43 = 3,250.28/x
  3. Step 3: Cross multiply
    7,412.10x = 11,114.43 × 3,250.28
  4. Step 4: Simplify right side
    7,412.10x = 36,124,953.97
  5. Step 5: Solve for x
    x = 36,124,953.97/7,412.10
  6. Step 6: Final answer
    x = 4,873.78

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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.