Home / 8,851.80-12,217.98-6,199.92

Finding the Fourth Proportional to 8,851.80, 12,217.98 and 6,199.92

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Solution

The fourth proportional to 8,851.80, 12,217.98 and 6,199.92 is: 8,557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.80 : 12,217.98 = 6,199.92 : x
  2. Step 2: Convert to fraction form
    8,851.80/12,217.98 = 6,199.92/x
  3. Step 3: Cross multiply
    8,851.80x = 12,217.98 × 6,199.92
  4. Step 4: Simplify right side
    8,851.80x = 75,750,498.56
  5. Step 5: Solve for x
    x = 75,750,498.56/8,851.80
  6. Step 6: Final answer
    x = 8,557.64

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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.