Home / 7,448.20-11,167.26-3,555.88

Finding the Fourth Proportional to 7,448.20, 11,167.26 and 3,555.88

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Solution

The fourth proportional to 7,448.20, 11,167.26 and 3,555.88 is: 5,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.20 : 11,167.26 = 3,555.88 : x
  2. Step 2: Convert to fraction form
    7,448.20/11,167.26 = 3,555.88/x
  3. Step 3: Cross multiply
    7,448.20x = 11,167.26 × 3,555.88
  4. Step 4: Simplify right side
    7,448.20x = 39,709,436.49
  5. Step 5: Solve for x
    x = 39,709,436.49/7,448.20
  6. Step 6: Final answer
    x = 5,331.41

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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.