Home / 10,245.89-15,374.84-4,322.43

Finding the Fourth Proportional to 10,245.89, 15,374.84 and 4,322.43

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Solution

The fourth proportional to 10,245.89, 15,374.84 and 4,322.43 is: 6,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.89 : 15,374.84 = 4,322.43 : x
  2. Step 2: Convert to fraction form
    10,245.89/15,374.84 = 4,322.43/x
  3. Step 3: Cross multiply
    10,245.89x = 15,374.84 × 4,322.43
  4. Step 4: Simplify right side
    10,245.89x = 66,456,648.05
  5. Step 5: Solve for x
    x = 66,456,648.05/10,245.89
  6. Step 6: Final answer
    x = 6,486.17

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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.