Home / 8,101.08-11,178.18-4,515.48

Finding the Fourth Proportional to 8,101.08, 11,178.18 and 4,515.48

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Solution

The fourth proportional to 8,101.08, 11,178.18 and 4,515.48 is: 6,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.08 : 11,178.18 = 4,515.48 : x
  2. Step 2: Convert to fraction form
    8,101.08/11,178.18 = 4,515.48/x
  3. Step 3: Cross multiply
    8,101.08x = 11,178.18 × 4,515.48
  4. Step 4: Simplify right side
    8,101.08x = 50,474,848.23
  5. Step 5: Solve for x
    x = 50,474,848.23/8,101.08
  6. Step 6: Final answer
    x = 6,230.63

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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.