Home / 8,154.54-11,255.28-4,619.83

Finding the Fourth Proportional to 8,154.54, 11,255.28 and 4,619.83

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Solution

The fourth proportional to 8,154.54, 11,255.28 and 4,619.83 is: 6,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.54 : 11,255.28 = 4,619.83 : x
  2. Step 2: Convert to fraction form
    8,154.54/11,255.28 = 4,619.83/x
  3. Step 3: Cross multiply
    8,154.54x = 11,255.28 × 4,619.83
  4. Step 4: Simplify right side
    8,154.54x = 51,997,480.20
  5. Step 5: Solve for x
    x = 51,997,480.20/8,154.54
  6. Step 6: Final answer
    x = 6,376.51

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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.