Home / 8,829.85-12,185.20-4,851.22

Finding the Fourth Proportional to 8,829.85, 12,185.20 and 4,851.22

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Solution

The fourth proportional to 8,829.85, 12,185.20 and 4,851.22 is: 6,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.85 : 12,185.20 = 4,851.22 : x
  2. Step 2: Convert to fraction form
    8,829.85/12,185.20 = 4,851.22/x
  3. Step 3: Cross multiply
    8,829.85x = 12,185.20 × 4,851.22
  4. Step 4: Simplify right side
    8,829.85x = 59,113,015.99
  5. Step 5: Solve for x
    x = 59,113,015.99/8,829.85
  6. Step 6: Final answer
    x = 6,694.68

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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.