Home / 10,571.76-15,862.08-5,028.96

Finding the Fourth Proportional to 10,571.76, 15,862.08 and 5,028.96

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Solution

The fourth proportional to 10,571.76, 15,862.08 and 5,028.96 is: 7,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.76 : 15,862.08 = 5,028.96 : x
  2. Step 2: Convert to fraction form
    10,571.76/15,862.08 = 5,028.96/x
  3. Step 3: Cross multiply
    10,571.76x = 15,862.08 × 5,028.96
  4. Step 4: Simplify right side
    10,571.76x = 79,769,765.84
  5. Step 5: Solve for x
    x = 79,769,765.84/10,571.76
  6. Step 6: Final answer
    x = 7,545.55

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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.