Home / 10,410.12-15,621.12-3,835.44

Finding the Fourth Proportional to 10,410.12, 15,621.12 and 3,835.44

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Solution

The fourth proportional to 10,410.12, 15,621.12 and 3,835.44 is: 5,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.12 : 15,621.12 = 3,835.44 : x
  2. Step 2: Convert to fraction form
    10,410.12/15,621.12 = 3,835.44/x
  3. Step 3: Cross multiply
    10,410.12x = 15,621.12 × 3,835.44
  4. Step 4: Simplify right side
    10,410.12x = 59,913,868.49
  5. Step 5: Solve for x
    x = 59,913,868.49/10,410.12
  6. Step 6: Final answer
    x = 5,755.35

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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.