Home / 8,216.11-11,334.27-5,382.25

Finding the Fourth Proportional to 8,216.11, 11,334.27 and 5,382.25

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Solution

The fourth proportional to 8,216.11, 11,334.27 and 5,382.25 is: 7,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.11 : 11,334.27 = 5,382.25 : x
  2. Step 2: Convert to fraction form
    8,216.11/11,334.27 = 5,382.25/x
  3. Step 3: Cross multiply
    8,216.11x = 11,334.27 × 5,382.25
  4. Step 4: Simplify right side
    8,216.11x = 61,003,874.71
  5. Step 5: Solve for x
    x = 61,003,874.71/8,216.11
  6. Step 6: Final answer
    x = 7,424.91

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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.