Home / 8,382.65-11,563.63-5,240.66

Finding the Fourth Proportional to 8,382.65, 11,563.63 and 5,240.66

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Solution

The fourth proportional to 8,382.65, 11,563.63 and 5,240.66 is: 7,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.65 : 11,563.63 = 5,240.66 : x
  2. Step 2: Convert to fraction form
    8,382.65/11,563.63 = 5,240.66/x
  3. Step 3: Cross multiply
    8,382.65x = 11,563.63 × 5,240.66
  4. Step 4: Simplify right side
    8,382.65x = 60,600,982.28
  5. Step 5: Solve for x
    x = 60,600,982.28/8,382.65
  6. Step 6: Final answer
    x = 7,229.34

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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.