Home / 8,610.12-11,878.92-4,884.12

Finding the Fourth Proportional to 8,610.12, 11,878.92 and 4,884.12

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Solution

The fourth proportional to 8,610.12, 11,878.92 and 4,884.12 is: 6,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.12 : 11,878.92 = 4,884.12 : x
  2. Step 2: Convert to fraction form
    8,610.12/11,878.92 = 4,884.12/x
  3. Step 3: Cross multiply
    8,610.12x = 11,878.92 × 4,884.12
  4. Step 4: Simplify right side
    8,610.12x = 58,018,070.75
  5. Step 5: Solve for x
    x = 58,018,070.75/8,610.12
  6. Step 6: Final answer
    x = 6,738.36

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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.