Home / 11,715.87-17,573.81-2,950.86

Finding the Fourth Proportional to 11,715.87, 17,573.81 and 2,950.86

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Solution

The fourth proportional to 11,715.87, 17,573.81 and 2,950.86 is: 4,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.87 : 17,573.81 = 2,950.86 : x
  2. Step 2: Convert to fraction form
    11,715.87/17,573.81 = 2,950.86/x
  3. Step 3: Cross multiply
    11,715.87x = 17,573.81 × 2,950.86
  4. Step 4: Simplify right side
    11,715.87x = 51,857,852.98
  5. Step 5: Solve for x
    x = 51,857,852.98/11,715.87
  6. Step 6: Final answer
    x = 4,426.29

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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.