Home / 10,459.94-15,678.66-3,882.53

Finding the Fourth Proportional to 10,459.94, 15,678.66 and 3,882.53

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Solution

The fourth proportional to 10,459.94, 15,678.66 and 3,882.53 is: 5,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.94 : 15,678.66 = 3,882.53 : x
  2. Step 2: Convert to fraction form
    10,459.94/15,678.66 = 3,882.53/x
  3. Step 3: Cross multiply
    10,459.94x = 15,678.66 × 3,882.53
  4. Step 4: Simplify right side
    10,459.94x = 60,872,921.57
  5. Step 5: Solve for x
    x = 60,872,921.57/10,459.94
  6. Step 6: Final answer
    x = 5,819.63

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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.