Home / 8,244.20-11,382.24-5,416.58

Finding the Fourth Proportional to 8,244.20, 11,382.24 and 5,416.58

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Solution

The fourth proportional to 8,244.20, 11,382.24 and 5,416.58 is: 7,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.20 : 11,382.24 = 5,416.58 : x
  2. Step 2: Convert to fraction form
    8,244.20/11,382.24 = 5,416.58/x
  3. Step 3: Cross multiply
    8,244.20x = 11,382.24 × 5,416.58
  4. Step 4: Simplify right side
    8,244.20x = 61,652,813.54
  5. Step 5: Solve for x
    x = 61,652,813.54/8,244.20
  6. Step 6: Final answer
    x = 7,478.33

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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.