Home / 8,236.12-12,357.34-4,951.48

Finding the Fourth Proportional to 8,236.12, 12,357.34 and 4,951.48

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Solution

The fourth proportional to 8,236.12, 12,357.34 and 4,951.48 is: 7,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.12 : 12,357.34 = 4,951.48 : x
  2. Step 2: Convert to fraction form
    8,236.12/12,357.34 = 4,951.48/x
  3. Step 3: Cross multiply
    8,236.12x = 12,357.34 × 4,951.48
  4. Step 4: Simplify right side
    8,236.12x = 61,187,121.86
  5. Step 5: Solve for x
    x = 61,187,121.86/8,236.12
  6. Step 6: Final answer
    x = 7,429.12

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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.