Home / 8,144.18-11,238.64-4,608.12

Finding the Fourth Proportional to 8,144.18, 11,238.64 and 4,608.12

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Solution

The fourth proportional to 8,144.18, 11,238.64 and 4,608.12 is: 6,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.18 : 11,238.64 = 4,608.12 : x
  2. Step 2: Convert to fraction form
    8,144.18/11,238.64 = 4,608.12/x
  3. Step 3: Cross multiply
    8,144.18x = 11,238.64 × 4,608.12
  4. Step 4: Simplify right side
    8,144.18x = 51,788,978.72
  5. Step 5: Solve for x
    x = 51,788,978.72/8,144.18
  6. Step 6: Final answer
    x = 6,359.02

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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.