Home / 7,965.91-11,947.25-7,570.73

Finding the Fourth Proportional to 7,965.91, 11,947.25 and 7,570.73

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Solution

The fourth proportional to 7,965.91, 11,947.25 and 7,570.73 is: 11,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.91 : 11,947.25 = 7,570.73 : x
  2. Step 2: Convert to fraction form
    7,965.91/11,947.25 = 7,570.73/x
  3. Step 3: Cross multiply
    7,965.91x = 11,947.25 × 7,570.73
  4. Step 4: Simplify right side
    7,965.91x = 90,449,363.18
  5. Step 5: Solve for x
    x = 90,449,363.18/7,965.91
  6. Step 6: Final answer
    x = 11,354.56

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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.