Home / 7,589.46-11,383.77-2,911.71

Finding the Fourth Proportional to 7,589.46, 11,383.77 and 2,911.71

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Solution

The fourth proportional to 7,589.46, 11,383.77 and 2,911.71 is: 4,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.46 : 11,383.77 = 2,911.71 : x
  2. Step 2: Convert to fraction form
    7,589.46/11,383.77 = 2,911.71/x
  3. Step 3: Cross multiply
    7,589.46x = 11,383.77 × 2,911.71
  4. Step 4: Simplify right side
    7,589.46x = 33,146,236.95
  5. Step 5: Solve for x
    x = 33,146,236.95/7,589.46
  6. Step 6: Final answer
    x = 4,367.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.