Home / 10,373.12-15,544.56-5,171.84

Finding the Fourth Proportional to 10,373.12, 15,544.56 and 5,171.84

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Solution

The fourth proportional to 10,373.12, 15,544.56 and 5,171.84 is: 7,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.12 : 15,544.56 = 5,171.84 : x
  2. Step 2: Convert to fraction form
    10,373.12/15,544.56 = 5,171.84/x
  3. Step 3: Cross multiply
    10,373.12x = 15,544.56 × 5,171.84
  4. Step 4: Simplify right side
    10,373.12x = 80,393,977.19
  5. Step 5: Solve for x
    x = 80,393,977.19/10,373.12
  6. Step 6: Final answer
    x = 7,750.22

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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.