Home / 8,142.93-11,236.62-4,606.37

Finding the Fourth Proportional to 8,142.93, 11,236.62 and 4,606.37

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Solution

The fourth proportional to 8,142.93, 11,236.62 and 4,606.37 is: 6,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.93 : 11,236.62 = 4,606.37 : x
  2. Step 2: Convert to fraction form
    8,142.93/11,236.62 = 4,606.37/x
  3. Step 3: Cross multiply
    8,142.93x = 11,236.62 × 4,606.37
  4. Step 4: Simplify right side
    8,142.93x = 51,760,032.50
  5. Step 5: Solve for x
    x = 51,760,032.50/8,142.93
  6. Step 6: Final answer
    x = 6,356.44

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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.