Home / 8,254.54-11,391.23-4,477.69

Finding the Fourth Proportional to 8,254.54, 11,391.23 and 4,477.69

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Solution

The fourth proportional to 8,254.54, 11,391.23 and 4,477.69 is: 6,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.54 : 11,391.23 = 4,477.69 : x
  2. Step 2: Convert to fraction form
    8,254.54/11,391.23 = 4,477.69/x
  3. Step 3: Cross multiply
    8,254.54x = 11,391.23 × 4,477.69
  4. Step 4: Simplify right side
    8,254.54x = 51,006,396.66
  5. Step 5: Solve for x
    x = 51,006,396.66/8,254.54
  6. Step 6: Final answer
    x = 6,179.19

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Half scale
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Double scale
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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.