Home / 10,748.51-16,128.99-4,507.97

Finding the Fourth Proportional to 10,748.51, 16,128.99 and 4,507.97

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Solution

The fourth proportional to 10,748.51, 16,128.99 and 4,507.97 is: 6,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.51 : 16,128.99 = 4,507.97 : x
  2. Step 2: Convert to fraction form
    10,748.51/16,128.99 = 4,507.97/x
  3. Step 3: Cross multiply
    10,748.51x = 16,128.99 × 4,507.97
  4. Step 4: Simplify right side
    10,748.51x = 72,708,922.41
  5. Step 5: Solve for x
    x = 72,708,922.41/10,748.51
  6. Step 6: Final answer
    x = 6,764.56

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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.