Home / 10,716.28-16,073.20-2,925.72

Finding the Fourth Proportional to 10,716.28, 16,073.20 and 2,925.72

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Solution

The fourth proportional to 10,716.28, 16,073.20 and 2,925.72 is: 4,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.28 : 16,073.20 = 2,925.72 : x
  2. Step 2: Convert to fraction form
    10,716.28/16,073.20 = 2,925.72/x
  3. Step 3: Cross multiply
    10,716.28x = 16,073.20 × 2,925.72
  4. Step 4: Simplify right side
    10,716.28x = 47,025,682.70
  5. Step 5: Solve for x
    x = 47,025,682.70/10,716.28
  6. Step 6: Final answer
    x = 4,388.25

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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.