Home / 8,826.75-12,180.93-5,100.75

Finding the Fourth Proportional to 8,826.75, 12,180.93 and 5,100.75

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Solution

The fourth proportional to 8,826.75, 12,180.93 and 5,100.75 is: 7,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.75 : 12,180.93 = 5,100.75 : x
  2. Step 2: Convert to fraction form
    8,826.75/12,180.93 = 5,100.75/x
  3. Step 3: Cross multiply
    8,826.75x = 12,180.93 × 5,100.75
  4. Step 4: Simplify right side
    8,826.75x = 62,131,878.70
  5. Step 5: Solve for x
    x = 62,131,878.70/8,826.75
  6. Step 6: Final answer
    x = 7,039.04

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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.