Home / 10,742.76-16,116.44-3,347.06

Finding the Fourth Proportional to 10,742.76, 16,116.44 and 3,347.06

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Solution

The fourth proportional to 10,742.76, 16,116.44 and 3,347.06 is: 5,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.76 : 16,116.44 = 3,347.06 : x
  2. Step 2: Convert to fraction form
    10,742.76/16,116.44 = 3,347.06/x
  3. Step 3: Cross multiply
    10,742.76x = 16,116.44 × 3,347.06
  4. Step 4: Simplify right side
    10,742.76x = 53,942,594.35
  5. Step 5: Solve for x
    x = 53,942,594.35/10,742.76
  6. Step 6: Final answer
    x = 5,021.30

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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.