Home / 9,309.15-12,845.21-5,532.23

Finding the Fourth Proportional to 9,309.15, 12,845.21 and 5,532.23

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Solution

The fourth proportional to 9,309.15, 12,845.21 and 5,532.23 is: 7,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.15 : 12,845.21 = 5,532.23 : x
  2. Step 2: Convert to fraction form
    9,309.15/12,845.21 = 5,532.23/x
  3. Step 3: Cross multiply
    9,309.15x = 12,845.21 × 5,532.23
  4. Step 4: Simplify right side
    9,309.15x = 71,062,660.57
  5. Step 5: Solve for x
    x = 71,062,660.57/9,309.15
  6. Step 6: Final answer
    x = 7,633.64

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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.