Home / 10,360.84-15,548.43-4,120.20

Finding the Fourth Proportional to 10,360.84, 15,548.43 and 4,120.20

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Solution

The fourth proportional to 10,360.84, 15,548.43 and 4,120.20 is: 6,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.84 : 15,548.43 = 4,120.20 : x
  2. Step 2: Convert to fraction form
    10,360.84/15,548.43 = 4,120.20/x
  3. Step 3: Cross multiply
    10,360.84x = 15,548.43 × 4,120.20
  4. Step 4: Simplify right side
    10,360.84x = 64,062,620.69
  5. Step 5: Solve for x
    x = 64,062,620.69/10,360.84
  6. Step 6: Final answer
    x = 6,183.15

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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.