Home / 8,769.42-12,101.76-4,790.56

Finding the Fourth Proportional to 8,769.42, 12,101.76 and 4,790.56

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Solution

The fourth proportional to 8,769.42, 12,101.76 and 4,790.56 is: 6,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.42 : 12,101.76 = 4,790.56 : x
  2. Step 2: Convert to fraction form
    8,769.42/12,101.76 = 4,790.56/x
  3. Step 3: Cross multiply
    8,769.42x = 12,101.76 × 4,790.56
  4. Step 4: Simplify right side
    8,769.42x = 57,974,207.39
  5. Step 5: Solve for x
    x = 57,974,207.39/8,769.42
  6. Step 6: Final answer
    x = 6,610.95

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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.