Home / 10,544.36-15,821.18-5,001.72

Finding the Fourth Proportional to 10,544.36, 15,821.18 and 5,001.72

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Solution

The fourth proportional to 10,544.36, 15,821.18 and 5,001.72 is: 7,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,544.36 : 15,821.18 = 5,001.72 : x
  2. Step 2: Convert to fraction form
    10,544.36/15,821.18 = 5,001.72/x
  3. Step 3: Cross multiply
    10,544.36x = 15,821.18 × 5,001.72
  4. Step 4: Simplify right side
    10,544.36x = 79,133,112.43
  5. Step 5: Solve for x
    x = 79,133,112.43/10,544.36
  6. Step 6: Final answer
    x = 7,504.78

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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.