Home / 10,108.94-15,153.81-3,530.84

Finding the Fourth Proportional to 10,108.94, 15,153.81 and 3,530.84

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Solution

The fourth proportional to 10,108.94, 15,153.81 and 3,530.84 is: 5,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.94 : 15,153.81 = 3,530.84 : x
  2. Step 2: Convert to fraction form
    10,108.94/15,153.81 = 3,530.84/x
  3. Step 3: Cross multiply
    10,108.94x = 15,153.81 × 3,530.84
  4. Step 4: Simplify right side
    10,108.94x = 53,505,602.73
  5. Step 5: Solve for x
    x = 53,505,602.73/10,108.94
  6. Step 6: Final answer
    x = 5,292.90

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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.