Home / 10,766.80-14,858.22-6,290.74

Finding the Fourth Proportional to 10,766.80, 14,858.22 and 6,290.74

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Solution

The fourth proportional to 10,766.80, 14,858.22 and 6,290.74 is: 8,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.80 : 14,858.22 = 6,290.74 : x
  2. Step 2: Convert to fraction form
    10,766.80/14,858.22 = 6,290.74/x
  3. Step 3: Cross multiply
    10,766.80x = 14,858.22 × 6,290.74
  4. Step 4: Simplify right side
    10,766.80x = 93,469,198.88
  5. Step 5: Solve for x
    x = 93,469,198.88/10,766.80
  6. Step 6: Final answer
    x = 8,681.24

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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.