Home / 7,449.04-11,173.80-3,553.84

Finding the Fourth Proportional to 7,449.04, 11,173.80 and 3,553.84

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Solution

The fourth proportional to 7,449.04, 11,173.80 and 3,553.84 is: 5,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.04 : 11,173.80 = 3,553.84 : x
  2. Step 2: Convert to fraction form
    7,449.04/11,173.80 = 3,553.84/x
  3. Step 3: Cross multiply
    7,449.04x = 11,173.80 × 3,553.84
  4. Step 4: Simplify right side
    7,449.04x = 39,709,897.39
  5. Step 5: Solve for x
    x = 39,709,897.39/7,449.04
  6. Step 6: Final answer
    x = 5,330.87

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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.