Home / 12,673.40-17,472.66-9,137.48

Finding the Fourth Proportional to 12,673.40, 17,472.66 and 9,137.48

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Solution

The fourth proportional to 12,673.40, 17,472.66 and 9,137.48 is: 12,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.40 : 17,472.66 = 9,137.48 : x
  2. Step 2: Convert to fraction form
    12,673.40/17,472.66 = 9,137.48/x
  3. Step 3: Cross multiply
    12,673.40x = 17,472.66 × 9,137.48
  4. Step 4: Simplify right side
    12,673.40x = 159,656,081.30
  5. Step 5: Solve for x
    x = 159,656,081.30/12,673.40
  6. Step 6: Final answer
    x = 12,597.73

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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.