Home / 10,451.32-15,669.04-4,206.56

Finding the Fourth Proportional to 10,451.32, 15,669.04 and 4,206.56

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Solution

The fourth proportional to 10,451.32, 15,669.04 and 4,206.56 is: 6,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.32 : 15,669.04 = 4,206.56 : x
  2. Step 2: Convert to fraction form
    10,451.32/15,669.04 = 4,206.56/x
  3. Step 3: Cross multiply
    10,451.32x = 15,669.04 × 4,206.56
  4. Step 4: Simplify right side
    10,451.32x = 65,912,756.90
  5. Step 5: Solve for x
    x = 65,912,756.90/10,451.32
  6. Step 6: Final answer
    x = 6,306.64

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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.