Home / 10,121.03-15,177.09-4,574.15

Finding the Fourth Proportional to 10,121.03, 15,177.09 and 4,574.15

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Solution

The fourth proportional to 10,121.03, 15,177.09 and 4,574.15 is: 6,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.03 : 15,177.09 = 4,574.15 : x
  2. Step 2: Convert to fraction form
    10,121.03/15,177.09 = 4,574.15/x
  3. Step 3: Cross multiply
    10,121.03x = 15,177.09 × 4,574.15
  4. Step 4: Simplify right side
    10,121.03x = 69,422,324.17
  5. Step 5: Solve for x
    x = 69,422,324.17/10,121.03
  6. Step 6: Final answer
    x = 6,859.21

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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.