Home / 10,356.72-15,532.46-2,961.21

Finding the Fourth Proportional to 10,356.72, 15,532.46 and 2,961.21

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Solution

The fourth proportional to 10,356.72, 15,532.46 and 2,961.21 is: 4,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.72 : 15,532.46 = 2,961.21 : x
  2. Step 2: Convert to fraction form
    10,356.72/15,532.46 = 2,961.21/x
  3. Step 3: Cross multiply
    10,356.72x = 15,532.46 × 2,961.21
  4. Step 4: Simplify right side
    10,356.72x = 45,994,861.07
  5. Step 5: Solve for x
    x = 45,994,861.07/10,356.72
  6. Step 6: Final answer
    x = 4,441.06

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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.