Home / 10,025.45-15,039.18-3,450.77

Finding the Fourth Proportional to 10,025.45, 15,039.18 and 3,450.77

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Solution

The fourth proportional to 10,025.45, 15,039.18 and 3,450.77 is: 5,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.45 : 15,039.18 = 3,450.77 : x
  2. Step 2: Convert to fraction form
    10,025.45/15,039.18 = 3,450.77/x
  3. Step 3: Cross multiply
    10,025.45x = 15,039.18 × 3,450.77
  4. Step 4: Simplify right side
    10,025.45x = 51,896,675.97
  5. Step 5: Solve for x
    x = 51,896,675.97/10,025.45
  6. Step 6: Final answer
    x = 5,176.50

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Similar ratio
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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.