Home / 11,586.80-15,991.44-6,552.56

Finding the Fourth Proportional to 11,586.80, 15,991.44 and 6,552.56

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Solution

The fourth proportional to 11,586.80, 15,991.44 and 6,552.56 is: 9,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.80 : 15,991.44 = 6,552.56 : x
  2. Step 2: Convert to fraction form
    11,586.80/15,991.44 = 6,552.56/x
  3. Step 3: Cross multiply
    11,586.80x = 15,991.44 × 6,552.56
  4. Step 4: Simplify right side
    11,586.80x = 104,784,870.09
  5. Step 5: Solve for x
    x = 104,784,870.09/11,586.80
  6. Step 6: Final answer
    x = 9,043.47

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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.