Home / 7,965.61-10,991.44-4,608.56

Finding the Fourth Proportional to 7,965.61, 10,991.44 and 4,608.56

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Solution

The fourth proportional to 7,965.61, 10,991.44 and 4,608.56 is: 6,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.61 : 10,991.44 = 4,608.56 : x
  2. Step 2: Convert to fraction form
    7,965.61/10,991.44 = 4,608.56/x
  3. Step 3: Cross multiply
    7,965.61x = 10,991.44 × 4,608.56
  4. Step 4: Simplify right side
    7,965.61x = 50,654,710.73
  5. Step 5: Solve for x
    x = 50,654,710.73/7,965.61
  6. Step 6: Final answer
    x = 6,359.18

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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.