Home / 8,178.45-11,285.42-4,593.81

Finding the Fourth Proportional to 8,178.45, 11,285.42 and 4,593.81

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Solution

The fourth proportional to 8,178.45, 11,285.42 and 4,593.81 is: 6,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.45 : 11,285.42 = 4,593.81 : x
  2. Step 2: Convert to fraction form
    8,178.45/11,285.42 = 4,593.81/x
  3. Step 3: Cross multiply
    8,178.45x = 11,285.42 × 4,593.81
  4. Step 4: Simplify right side
    8,178.45x = 51,843,052.28
  5. Step 5: Solve for x
    x = 51,843,052.28/8,178.45
  6. Step 6: Final answer
    x = 6,338.98

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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.