Home / 12,526.66-17,286.17-6,861.43

Finding the Fourth Proportional to 12,526.66, 17,286.17 and 6,861.43

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Solution

The fourth proportional to 12,526.66, 17,286.17 and 6,861.43 is: 9,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.66 : 17,286.17 = 6,861.43 : x
  2. Step 2: Convert to fraction form
    12,526.66/17,286.17 = 6,861.43/x
  3. Step 3: Cross multiply
    12,526.66x = 17,286.17 × 6,861.43
  4. Step 4: Simplify right side
    12,526.66x = 118,607,845.42
  5. Step 5: Solve for x
    x = 118,607,845.42/12,526.66
  6. Step 6: Final answer
    x = 9,468.43

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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.