Home / 10,742.96-16,115.40-3,347.48

Finding the Fourth Proportional to 10,742.96, 16,115.40 and 3,347.48

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Solution

The fourth proportional to 10,742.96, 16,115.40 and 3,347.48 is: 5,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.96 : 16,115.40 = 3,347.48 : x
  2. Step 2: Convert to fraction form
    10,742.96/16,115.40 = 3,347.48/x
  3. Step 3: Cross multiply
    10,742.96x = 16,115.40 × 3,347.48
  4. Step 4: Simplify right side
    10,742.96x = 53,945,979.19
  5. Step 5: Solve for x
    x = 53,945,979.19/10,742.96
  6. Step 6: Final answer
    x = 5,021.52

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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.