Home / 7,431.14-11,143.92-2,432.36

Finding the Fourth Proportional to 7,431.14, 11,143.92 and 2,432.36

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Solution

The fourth proportional to 7,431.14, 11,143.92 and 2,432.36 is: 3,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.14 : 11,143.92 = 2,432.36 : x
  2. Step 2: Convert to fraction form
    7,431.14/11,143.92 = 2,432.36/x
  3. Step 3: Cross multiply
    7,431.14x = 11,143.92 × 2,432.36
  4. Step 4: Simplify right side
    7,431.14x = 27,106,025.25
  5. Step 5: Solve for x
    x = 27,106,025.25/7,431.14
  6. Step 6: Final answer
    x = 3,647.63

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1.5x scale

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.