Home / 7,373.80-11,056.86-2,756.20

Finding the Fourth Proportional to 7,373.80, 11,056.86 and 2,756.20

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Solution

The fourth proportional to 7,373.80, 11,056.86 and 2,756.20 is: 4,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.80 : 11,056.86 = 2,756.20 : x
  2. Step 2: Convert to fraction form
    7,373.80/11,056.86 = 2,756.20/x
  3. Step 3: Cross multiply
    7,373.80x = 11,056.86 × 2,756.20
  4. Step 4: Simplify right side
    7,373.80x = 30,474,917.53
  5. Step 5: Solve for x
    x = 30,474,917.53/7,373.80
  6. Step 6: Final answer
    x = 4,132.86

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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.