Home / 12,446.62-17,176.34-6,857.62

Finding the Fourth Proportional to 12,446.62, 17,176.34 and 6,857.62

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Solution

The fourth proportional to 12,446.62, 17,176.34 and 6,857.62 is: 9,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.62 : 17,176.34 = 6,857.62 : x
  2. Step 2: Convert to fraction form
    12,446.62/17,176.34 = 6,857.62/x
  3. Step 3: Cross multiply
    12,446.62x = 17,176.34 × 6,857.62
  4. Step 4: Simplify right side
    12,446.62x = 117,788,812.71
  5. Step 5: Solve for x
    x = 117,788,812.71/12,446.62
  6. Step 6: Final answer
    x = 9,463.52

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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.