Home / 10,463.92-15,700.21-4,228.34

Finding the Fourth Proportional to 10,463.92, 15,700.21 and 4,228.34

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Solution

The fourth proportional to 10,463.92, 15,700.21 and 4,228.34 is: 6,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.92 : 15,700.21 = 4,228.34 : x
  2. Step 2: Convert to fraction form
    10,463.92/15,700.21 = 4,228.34/x
  3. Step 3: Cross multiply
    10,463.92x = 15,700.21 × 4,228.34
  4. Step 4: Simplify right side
    10,463.92x = 66,385,736.88
  5. Step 5: Solve for x
    x = 66,385,736.88/10,463.92
  6. Step 6: Final answer
    x = 6,344.25

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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.