Home / 10,749.12-16,125.36-4,505.94

Finding the Fourth Proportional to 10,749.12, 16,125.36 and 4,505.94

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Solution

The fourth proportional to 10,749.12, 16,125.36 and 4,505.94 is: 6,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.12 : 16,125.36 = 4,505.94 : x
  2. Step 2: Convert to fraction form
    10,749.12/16,125.36 = 4,505.94/x
  3. Step 3: Cross multiply
    10,749.12x = 16,125.36 × 4,505.94
  4. Step 4: Simplify right side
    10,749.12x = 72,659,904.64
  5. Step 5: Solve for x
    x = 72,659,904.64/10,749.12
  6. Step 6: Final answer
    x = 6,759.61

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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.