Home / 10,122.69-15,173.64-3,881.01

Finding the Fourth Proportional to 10,122.69, 15,173.64 and 3,881.01

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Solution

The fourth proportional to 10,122.69, 15,173.64 and 3,881.01 is: 5,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.69 : 15,173.64 = 3,881.01 : x
  2. Step 2: Convert to fraction form
    10,122.69/15,173.64 = 3,881.01/x
  3. Step 3: Cross multiply
    10,122.69x = 15,173.64 × 3,881.01
  4. Step 4: Simplify right side
    10,122.69x = 58,889,048.58
  5. Step 5: Solve for x
    x = 58,889,048.58/10,122.69
  6. Step 6: Final answer
    x = 5,817.53

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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.