Home / 9,520.46-13,136.40-6,162.80

Finding the Fourth Proportional to 9,520.46, 13,136.40 and 6,162.80

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Solution

The fourth proportional to 9,520.46, 13,136.40 and 6,162.80 is: 8,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.46 : 13,136.40 = 6,162.80 : x
  2. Step 2: Convert to fraction form
    9,520.46/13,136.40 = 6,162.80/x
  3. Step 3: Cross multiply
    9,520.46x = 13,136.40 × 6,162.80
  4. Step 4: Simplify right side
    9,520.46x = 80,957,005.92
  5. Step 5: Solve for x
    x = 80,957,005.92/9,520.46
  6. Step 6: Final answer
    x = 8,503.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.