Home / 10,716.48-16,074.57-2,925.30

Finding the Fourth Proportional to 10,716.48, 16,074.57 and 2,925.30

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Solution

The fourth proportional to 10,716.48, 16,074.57 and 2,925.30 is: 4,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.48 : 16,074.57 = 2,925.30 : x
  2. Step 2: Convert to fraction form
    10,716.48/16,074.57 = 2,925.30/x
  3. Step 3: Cross multiply
    10,716.48x = 16,074.57 × 2,925.30
  4. Step 4: Simplify right side
    10,716.48x = 47,022,939.62
  5. Step 5: Solve for x
    x = 47,022,939.62/10,716.48
  6. Step 6: Final answer
    x = 4,387.91

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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.