Home / 8,577.24-12,871.25-3,646.92

Finding the Fourth Proportional to 8,577.24, 12,871.25 and 3,646.92

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Solution

The fourth proportional to 8,577.24, 12,871.25 and 3,646.92 is: 5,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.24 : 12,871.25 = 3,646.92 : x
  2. Step 2: Convert to fraction form
    8,577.24/12,871.25 = 3,646.92/x
  3. Step 3: Cross multiply
    8,577.24x = 12,871.25 × 3,646.92
  4. Step 4: Simplify right side
    8,577.24x = 46,940,400.82
  5. Step 5: Solve for x
    x = 46,940,400.82/8,577.24
  6. Step 6: Final answer
    x = 5,472.67

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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.