Home / 8,785.14-12,123.72-4,806.42

Finding the Fourth Proportional to 8,785.14, 12,123.72 and 4,806.42

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Solution

The fourth proportional to 8,785.14, 12,123.72 and 4,806.42 is: 6,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.14 : 12,123.72 = 4,806.42 : x
  2. Step 2: Convert to fraction form
    8,785.14/12,123.72 = 4,806.42/x
  3. Step 3: Cross multiply
    8,785.14x = 12,123.72 × 4,806.42
  4. Step 4: Simplify right side
    8,785.14x = 58,271,690.28
  5. Step 5: Solve for x
    x = 58,271,690.28/8,785.14
  6. Step 6: Final answer
    x = 6,632.98

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