Home / 10,255.36-15,385.10-3,682.06

Finding the Fourth Proportional to 10,255.36, 15,385.10 and 3,682.06

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Solution

The fourth proportional to 10,255.36, 15,385.10 and 3,682.06 is: 5,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.36 : 15,385.10 = 3,682.06 : x
  2. Step 2: Convert to fraction form
    10,255.36/15,385.10 = 3,682.06/x
  3. Step 3: Cross multiply
    10,255.36x = 15,385.10 × 3,682.06
  4. Step 4: Simplify right side
    10,255.36x = 56,648,861.31
  5. Step 5: Solve for x
    x = 56,648,861.31/10,255.36
  6. Step 6: Final answer
    x = 5,523.83

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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.