Home / 12,451.19-17,170.70-9,614.03

Finding the Fourth Proportional to 12,451.19, 17,170.70 and 9,614.03

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Solution

The fourth proportional to 12,451.19, 17,170.70 and 9,614.03 is: 13,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.19 : 17,170.70 = 9,614.03 : x
  2. Step 2: Convert to fraction form
    12,451.19/17,170.70 = 9,614.03/x
  3. Step 3: Cross multiply
    12,451.19x = 17,170.70 × 9,614.03
  4. Step 4: Simplify right side
    12,451.19x = 165,079,491.00
  5. Step 5: Solve for x
    x = 165,079,491.00/12,451.19
  6. Step 6: Final answer
    x = 13,258.13

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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.