Home / 12,446.56-17,176.28-6,857.56

Finding the Fourth Proportional to 12,446.56, 17,176.28 and 6,857.56

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Solution

The fourth proportional to 12,446.56, 17,176.28 and 6,857.56 is: 9,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.56 : 17,176.28 = 6,857.56 : x
  2. Step 2: Convert to fraction form
    12,446.56/17,176.28 = 6,857.56/x
  3. Step 3: Cross multiply
    12,446.56x = 17,176.28 × 6,857.56
  4. Step 4: Simplify right side
    12,446.56x = 117,787,370.68
  5. Step 5: Solve for x
    x = 117,787,370.68/12,446.56
  6. Step 6: Final answer
    x = 9,463.45

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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.