Home / 12,276.27-16,940.55-6,971.04

Finding the Fourth Proportional to 12,276.27, 16,940.55 and 6,971.04

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Solution

The fourth proportional to 12,276.27, 16,940.55 and 6,971.04 is: 9,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.27 : 16,940.55 = 6,971.04 : x
  2. Step 2: Convert to fraction form
    12,276.27/16,940.55 = 6,971.04/x
  3. Step 3: Cross multiply
    12,276.27x = 16,940.55 × 6,971.04
  4. Step 4: Simplify right side
    12,276.27x = 118,093,251.67
  5. Step 5: Solve for x
    x = 118,093,251.67/12,276.27
  6. Step 6: Final answer
    x = 9,619.64

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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.