Home / 8,835.32-12,183.21-6,316.47

Finding the Fourth Proportional to 8,835.32, 12,183.21 and 6,316.47

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Solution

The fourth proportional to 8,835.32, 12,183.21 and 6,316.47 is: 8,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.32 : 12,183.21 = 6,316.47 : x
  2. Step 2: Convert to fraction form
    8,835.32/12,183.21 = 6,316.47/x
  3. Step 3: Cross multiply
    8,835.32x = 12,183.21 × 6,316.47
  4. Step 4: Simplify right side
    8,835.32x = 76,954,880.47
  5. Step 5: Solve for x
    x = 76,954,880.47/8,835.32
  6. Step 6: Final answer
    x = 8,709.92

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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.