Home / 7,433.36-11,148.78-2,755.58

Finding the Fourth Proportional to 7,433.36, 11,148.78 and 2,755.58

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Solution

The fourth proportional to 7,433.36, 11,148.78 and 2,755.58 is: 4,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.36 : 11,148.78 = 2,755.58 : x
  2. Step 2: Convert to fraction form
    7,433.36/11,148.78 = 2,755.58/x
  3. Step 3: Cross multiply
    7,433.36x = 11,148.78 × 2,755.58
  4. Step 4: Simplify right side
    7,433.36x = 30,721,355.19
  5. Step 5: Solve for x
    x = 30,721,355.19/7,433.36
  6. Step 6: Final answer
    x = 4,132.90

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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.