Home / 11,527.49-17,278.79-5,591.81

Finding the Fourth Proportional to 11,527.49, 17,278.79 and 5,591.81

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Solution

The fourth proportional to 11,527.49, 17,278.79 and 5,591.81 is: 8,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,527.49 : 17,278.79 = 5,591.81 : x
  2. Step 2: Convert to fraction form
    11,527.49/17,278.79 = 5,591.81/x
  3. Step 3: Cross multiply
    11,527.49x = 17,278.79 × 5,591.81
  4. Step 4: Simplify right side
    11,527.49x = 96,619,725.95
  5. Step 5: Solve for x
    x = 96,619,725.95/11,527.49
  6. Step 6: Final answer
    x = 8,381.68

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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.