Home / 10,451.94-15,679.48-3,056.90

Finding the Fourth Proportional to 10,451.94, 15,679.48 and 3,056.90

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Solution

The fourth proportional to 10,451.94, 15,679.48 and 3,056.90 is: 4,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.94 : 15,679.48 = 3,056.90 : x
  2. Step 2: Convert to fraction form
    10,451.94/15,679.48 = 3,056.90/x
  3. Step 3: Cross multiply
    10,451.94x = 15,679.48 × 3,056.90
  4. Step 4: Simplify right side
    10,451.94x = 47,930,602.41
  5. Step 5: Solve for x
    x = 47,930,602.41/10,451.94
  6. Step 6: Final answer
    x = 4,585.81

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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.