Home / 10,149.57-15,202.76-5,764.77

Finding the Fourth Proportional to 10,149.57, 15,202.76 and 5,764.77

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Solution

The fourth proportional to 10,149.57, 15,202.76 and 5,764.77 is: 8,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.57 : 15,202.76 = 5,764.77 : x
  2. Step 2: Convert to fraction form
    10,149.57/15,202.76 = 5,764.77/x
  3. Step 3: Cross multiply
    10,149.57x = 15,202.76 × 5,764.77
  4. Step 4: Simplify right side
    10,149.57x = 87,640,385.94
  5. Step 5: Solve for x
    x = 87,640,385.94/10,149.57
  6. Step 6: Final answer
    x = 8,634.89

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1.5x scale

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.