Home / 10,473.15-15,709.88-3,453.90

Finding the Fourth Proportional to 10,473.15, 15,709.88 and 3,453.90

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Solution

The fourth proportional to 10,473.15, 15,709.88 and 3,453.90 is: 5,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.15 : 15,709.88 = 3,453.90 : x
  2. Step 2: Convert to fraction form
    10,473.15/15,709.88 = 3,453.90/x
  3. Step 3: Cross multiply
    10,473.15x = 15,709.88 × 3,453.90
  4. Step 4: Simplify right side
    10,473.15x = 54,260,354.53
  5. Step 5: Solve for x
    x = 54,260,354.53/10,473.15
  6. Step 6: Final answer
    x = 5,180.90

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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.