Home / 10,130.79-15,197.71-3,555.82

Finding the Fourth Proportional to 10,130.79, 15,197.71 and 3,555.82

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Solution

The fourth proportional to 10,130.79, 15,197.71 and 3,555.82 is: 5,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.79 : 15,197.71 = 3,555.82 : x
  2. Step 2: Convert to fraction form
    10,130.79/15,197.71 = 3,555.82/x
  3. Step 3: Cross multiply
    10,130.79x = 15,197.71 × 3,555.82
  4. Step 4: Simplify right side
    10,130.79x = 54,040,321.17
  5. Step 5: Solve for x
    x = 54,040,321.17/10,130.79
  6. Step 6: Final answer
    x = 5,334.27

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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.