Home / 10,400.12-15,602.46-3,474.44

Finding the Fourth Proportional to 10,400.12, 15,602.46 and 3,474.44

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Solution

The fourth proportional to 10,400.12, 15,602.46 and 3,474.44 is: 5,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.12 : 15,602.46 = 3,474.44 : x
  2. Step 2: Convert to fraction form
    10,400.12/15,602.46 = 3,474.44/x
  3. Step 3: Cross multiply
    10,400.12x = 15,602.46 × 3,474.44
  4. Step 4: Simplify right side
    10,400.12x = 54,209,811.12
  5. Step 5: Solve for x
    x = 54,209,811.12/10,400.12
  6. Step 6: Final answer
    x = 5,212.42

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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.