Home / 9,228.29-12,735.18-5,249.43

Finding the Fourth Proportional to 9,228.29, 12,735.18 and 5,249.43

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Solution

The fourth proportional to 9,228.29, 12,735.18 and 5,249.43 is: 7,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.29 : 12,735.18 = 5,249.43 : x
  2. Step 2: Convert to fraction form
    9,228.29/12,735.18 = 5,249.43/x
  3. Step 3: Cross multiply
    9,228.29x = 12,735.18 × 5,249.43
  4. Step 4: Simplify right side
    9,228.29x = 66,852,435.95
  5. Step 5: Solve for x
    x = 66,852,435.95/9,228.29
  6. Step 6: Final answer
    x = 7,244.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.