Home / 8,769.54-12,101.97-4,790.70

Finding the Fourth Proportional to 8,769.54, 12,101.97 and 4,790.70

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Solution

The fourth proportional to 8,769.54, 12,101.97 and 4,790.70 is: 6,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.54 : 12,101.97 = 4,790.70 : x
  2. Step 2: Convert to fraction form
    8,769.54/12,101.97 = 4,790.70/x
  3. Step 3: Cross multiply
    8,769.54x = 12,101.97 × 4,790.70
  4. Step 4: Simplify right side
    8,769.54x = 57,976,907.68
  5. Step 5: Solve for x
    x = 57,976,907.68/8,769.54
  6. Step 6: Final answer
    x = 6,611.17

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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.