Home / 10,742.96-16,115.16-2,952.56

Finding the Fourth Proportional to 10,742.96, 16,115.16 and 2,952.56

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Solution

The fourth proportional to 10,742.96, 16,115.16 and 2,952.56 is: 4,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.96 : 16,115.16 = 2,952.56 : x
  2. Step 2: Convert to fraction form
    10,742.96/16,115.16 = 2,952.56/x
  3. Step 3: Cross multiply
    10,742.96x = 16,115.16 × 2,952.56
  4. Step 4: Simplify right side
    10,742.96x = 47,580,976.81
  5. Step 5: Solve for x
    x = 47,580,976.81/10,742.96
  6. Step 6: Final answer
    x = 4,429.04

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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.