Home / 12,270.88-16,934.28-6,965.92

Finding the Fourth Proportional to 12,270.88, 16,934.28 and 6,965.92

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Solution

The fourth proportional to 12,270.88, 16,934.28 and 6,965.92 is: 9,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.88 : 16,934.28 = 6,965.92 : x
  2. Step 2: Convert to fraction form
    12,270.88/16,934.28 = 6,965.92/x
  3. Step 3: Cross multiply
    12,270.88x = 16,934.28 × 6,965.92
  4. Step 4: Simplify right side
    12,270.88x = 117,962,839.74
  5. Step 5: Solve for x
    x = 117,962,839.74/12,270.88
  6. Step 6: Final answer
    x = 9,613.23

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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.