Home / 12,450.34-17,182.68-9,301.06

Finding the Fourth Proportional to 12,450.34, 17,182.68 and 9,301.06

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Solution

The fourth proportional to 12,450.34, 17,182.68 and 9,301.06 is: 12,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.34 : 17,182.68 = 9,301.06 : x
  2. Step 2: Convert to fraction form
    12,450.34/17,182.68 = 9,301.06/x
  3. Step 3: Cross multiply
    12,450.34x = 17,182.68 × 9,301.06
  4. Step 4: Simplify right side
    12,450.34x = 159,817,137.64
  5. Step 5: Solve for x
    x = 159,817,137.64/12,450.34
  6. Step 6: Final answer
    x = 12,836.37

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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.