Home / 8,571.48-12,857.37-3,024.72

Finding the Fourth Proportional to 8,571.48, 12,857.37 and 3,024.72

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Solution

The fourth proportional to 8,571.48, 12,857.37 and 3,024.72 is: 4,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.48 : 12,857.37 = 3,024.72 : x
  2. Step 2: Convert to fraction form
    8,571.48/12,857.37 = 3,024.72/x
  3. Step 3: Cross multiply
    8,571.48x = 12,857.37 × 3,024.72
  4. Step 4: Simplify right side
    8,571.48x = 38,889,944.19
  5. Step 5: Solve for x
    x = 38,889,944.19/8,571.48
  6. Step 6: Final answer
    x = 4,537.13

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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.