Home / 11,715.85-17,573.79-2,950.70

Finding the Fourth Proportional to 11,715.85, 17,573.79 and 2,950.70

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Solution

The fourth proportional to 11,715.85, 17,573.79 and 2,950.70 is: 4,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.85 : 17,573.79 = 2,950.70 : x
  2. Step 2: Convert to fraction form
    11,715.85/17,573.79 = 2,950.70/x
  3. Step 3: Cross multiply
    11,715.85x = 17,573.79 × 2,950.70
  4. Step 4: Simplify right side
    11,715.85x = 51,854,982.15
  5. Step 5: Solve for x
    x = 51,854,982.15/11,715.85
  6. Step 6: Final answer
    x = 4,426.05

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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.