Home / 10,272.24-15,406.50-2,874.86

Finding the Fourth Proportional to 10,272.24, 15,406.50 and 2,874.86

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Solution

The fourth proportional to 10,272.24, 15,406.50 and 2,874.86 is: 4,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.24 : 15,406.50 = 2,874.86 : x
  2. Step 2: Convert to fraction form
    10,272.24/15,406.50 = 2,874.86/x
  3. Step 3: Cross multiply
    10,272.24x = 15,406.50 × 2,874.86
  4. Step 4: Simplify right side
    10,272.24x = 44,291,530.59
  5. Step 5: Solve for x
    x = 44,291,530.59/10,272.24
  6. Step 6: Final answer
    x = 4,311.77

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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.