Home / 10,119.57-15,172.44-4,569.90

Finding the Fourth Proportional to 10,119.57, 15,172.44 and 4,569.90

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Solution

The fourth proportional to 10,119.57, 15,172.44 and 4,569.90 is: 6,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.57 : 15,172.44 = 4,569.90 : x
  2. Step 2: Convert to fraction form
    10,119.57/15,172.44 = 4,569.90/x
  3. Step 3: Cross multiply
    10,119.57x = 15,172.44 × 4,569.90
  4. Step 4: Simplify right side
    10,119.57x = 69,336,533.56
  5. Step 5: Solve for x
    x = 69,336,533.56/10,119.57
  6. Step 6: Final answer
    x = 6,851.73

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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.