Home / 8,785.37-12,123.71-4,806.44

Finding the Fourth Proportional to 8,785.37, 12,123.71 and 4,806.44

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Solution

The fourth proportional to 8,785.37, 12,123.71 and 4,806.44 is: 6,632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.37 : 12,123.71 = 4,806.44 : x
  2. Step 2: Convert to fraction form
    8,785.37/12,123.71 = 4,806.44/x
  3. Step 3: Cross multiply
    8,785.37x = 12,123.71 × 4,806.44
  4. Step 4: Simplify right side
    8,785.37x = 58,271,824.07
  5. Step 5: Solve for x
    x = 58,271,824.07/8,785.37
  6. Step 6: Final answer
    x = 6,632.83

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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.