Home / 11,557.71-17,337.51-3,660.75

Finding the Fourth Proportional to 11,557.71, 17,337.51 and 3,660.75

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Solution

The fourth proportional to 11,557.71, 17,337.51 and 3,660.75 is: 5,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.71 : 17,337.51 = 3,660.75 : x
  2. Step 2: Convert to fraction form
    11,557.71/17,337.51 = 3,660.75/x
  3. Step 3: Cross multiply
    11,557.71x = 17,337.51 × 3,660.75
  4. Step 4: Simplify right side
    11,557.71x = 63,468,289.73
  5. Step 5: Solve for x
    x = 63,468,289.73/11,557.71
  6. Step 6: Final answer
    x = 5,491.42

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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.