Home / 8,655.08-12,973.26-3,455.24

Finding the Fourth Proportional to 8,655.08, 12,973.26 and 3,455.24

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Solution

The fourth proportional to 8,655.08, 12,973.26 and 3,455.24 is: 5,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.08 : 12,973.26 = 3,455.24 : x
  2. Step 2: Convert to fraction form
    8,655.08/12,973.26 = 3,455.24/x
  3. Step 3: Cross multiply
    8,655.08x = 12,973.26 × 3,455.24
  4. Step 4: Simplify right side
    8,655.08x = 44,825,726.88
  5. Step 5: Solve for x
    x = 44,825,726.88/8,655.08
  6. Step 6: Final answer
    x = 5,179.12

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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.