Home / 10,715.12-16,074.22-4,054.12

Finding the Fourth Proportional to 10,715.12, 16,074.22 and 4,054.12

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Solution

The fourth proportional to 10,715.12, 16,074.22 and 4,054.12 is: 6,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.12 : 16,074.22 = 4,054.12 : x
  2. Step 2: Convert to fraction form
    10,715.12/16,074.22 = 4,054.12/x
  3. Step 3: Cross multiply
    10,715.12x = 16,074.22 × 4,054.12
  4. Step 4: Simplify right side
    10,715.12x = 65,166,816.79
  5. Step 5: Solve for x
    x = 65,166,816.79/10,715.12
  6. Step 6: Final answer
    x = 6,081.76

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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.