Home / 10,571.72-15,859.67-5,025.65

Finding the Fourth Proportional to 10,571.72, 15,859.67 and 5,025.65

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Solution

The fourth proportional to 10,571.72, 15,859.67 and 5,025.65 is: 7,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.72 : 15,859.67 = 5,025.65 : x
  2. Step 2: Convert to fraction form
    10,571.72/15,859.67 = 5,025.65/x
  3. Step 3: Cross multiply
    10,571.72x = 15,859.67 × 5,025.65
  4. Step 4: Simplify right side
    10,571.72x = 79,705,046.11
  5. Step 5: Solve for x
    x = 79,705,046.11/10,571.72
  6. Step 6: Final answer
    x = 7,539.46

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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.