Home / 8,775.26-12,110.58-4,999.61

Finding the Fourth Proportional to 8,775.26, 12,110.58 and 4,999.61

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Solution

The fourth proportional to 8,775.26, 12,110.58 and 4,999.61 is: 6,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.26 : 12,110.58 = 4,999.61 : x
  2. Step 2: Convert to fraction form
    8,775.26/12,110.58 = 4,999.61/x
  3. Step 3: Cross multiply
    8,775.26x = 12,110.58 × 4,999.61
  4. Step 4: Simplify right side
    8,775.26x = 60,548,176.87
  5. Step 5: Solve for x
    x = 60,548,176.87/8,775.26
  6. Step 6: Final answer
    x = 6,899.87

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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.