Home / 11,474.04-17,212.78-4,077.90

Finding the Fourth Proportional to 11,474.04, 17,212.78 and 4,077.90

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Solution

The fourth proportional to 11,474.04, 17,212.78 and 4,077.90 is: 6,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.04 : 17,212.78 = 4,077.90 : x
  2. Step 2: Convert to fraction form
    11,474.04/17,212.78 = 4,077.90/x
  3. Step 3: Cross multiply
    11,474.04x = 17,212.78 × 4,077.90
  4. Step 4: Simplify right side
    11,474.04x = 70,191,995.56
  5. Step 5: Solve for x
    x = 70,191,995.56/11,474.04
  6. Step 6: Final answer
    x = 6,117.46

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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.