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Finding the Fourth Proportional to 12,469.51, 17,184.18 and 8,926.57

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Solution

The fourth proportional to 12,469.51, 17,184.18 and 8,926.57 is: 12,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.51 : 17,184.18 = 8,926.57 : x
  2. Step 2: Convert to fraction form
    12,469.51/17,184.18 = 8,926.57/x
  3. Step 3: Cross multiply
    12,469.51x = 17,184.18 × 8,926.57
  4. Step 4: Simplify right side
    12,469.51x = 153,395,785.66
  5. Step 5: Solve for x
    x = 153,395,785.66/12,469.51
  6. Step 6: Final answer
    x = 12,301.67

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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.