Home / 10,449.94-15,675.36-3,872.56

Finding the Fourth Proportional to 10,449.94, 15,675.36 and 3,872.56

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Solution

The fourth proportional to 10,449.94, 15,675.36 and 3,872.56 is: 5,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.94 : 15,675.36 = 3,872.56 : x
  2. Step 2: Convert to fraction form
    10,449.94/15,675.36 = 3,872.56/x
  3. Step 3: Cross multiply
    10,449.94x = 15,675.36 × 3,872.56
  4. Step 4: Simplify right side
    10,449.94x = 60,703,772.12
  5. Step 5: Solve for x
    x = 60,703,772.12/10,449.94
  6. Step 6: Final answer
    x = 5,809.01

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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.