Home / 7,434.71-11,155.73-2,992.19

Finding the Fourth Proportional to 7,434.71, 11,155.73 and 2,992.19

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Solution

The fourth proportional to 7,434.71, 11,155.73 and 2,992.19 is: 4,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.71 : 11,155.73 = 2,992.19 : x
  2. Step 2: Convert to fraction form
    7,434.71/11,155.73 = 2,992.19/x
  3. Step 3: Cross multiply
    7,434.71x = 11,155.73 × 2,992.19
  4. Step 4: Simplify right side
    7,434.71x = 33,380,063.75
  5. Step 5: Solve for x
    x = 33,380,063.75/7,434.71
  6. Step 6: Final answer
    x = 4,489.76

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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.