Home / 8,054.45-11,114.20-4,869.66

Finding the Fourth Proportional to 8,054.45, 11,114.20 and 4,869.66

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Solution

The fourth proportional to 8,054.45, 11,114.20 and 4,869.66 is: 6,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.45 : 11,114.20 = 4,869.66 : x
  2. Step 2: Convert to fraction form
    8,054.45/11,114.20 = 4,869.66/x
  3. Step 3: Cross multiply
    8,054.45x = 11,114.20 × 4,869.66
  4. Step 4: Simplify right side
    8,054.45x = 54,122,375.17
  5. Step 5: Solve for x
    x = 54,122,375.17/8,054.45
  6. Step 6: Final answer
    x = 6,719.56

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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.