Home / 9,358.31-14,040.20-3,515.38

Finding the Fourth Proportional to 9,358.31, 14,040.20 and 3,515.38

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Solution

The fourth proportional to 9,358.31, 14,040.20 and 3,515.38 is: 5,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.31 : 14,040.20 = 3,515.38 : x
  2. Step 2: Convert to fraction form
    9,358.31/14,040.20 = 3,515.38/x
  3. Step 3: Cross multiply
    9,358.31x = 14,040.20 × 3,515.38
  4. Step 4: Simplify right side
    9,358.31x = 49,356,638.28
  5. Step 5: Solve for x
    x = 49,356,638.28/9,358.31
  6. Step 6: Final answer
    x = 5,274.10

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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.