Home / 8,785.22-12,123.53-4,806.37

Finding the Fourth Proportional to 8,785.22, 12,123.53 and 4,806.37

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Solution

The fourth proportional to 8,785.22, 12,123.53 and 4,806.37 is: 6,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.22 : 12,123.53 = 4,806.37 : x
  2. Step 2: Convert to fraction form
    8,785.22/12,123.53 = 4,806.37/x
  3. Step 3: Cross multiply
    8,785.22x = 12,123.53 × 4,806.37
  4. Step 4: Simplify right side
    8,785.22x = 58,270,110.27
  5. Step 5: Solve for x
    x = 58,270,110.27/8,785.22
  6. Step 6: Final answer
    x = 6,632.74

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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.