Home / 12,461.09-17,183.14-9,269.29

Finding the Fourth Proportional to 12,461.09, 17,183.14 and 9,269.29

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Solution

The fourth proportional to 12,461.09, 17,183.14 and 9,269.29 is: 12,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.09 : 17,183.14 = 9,269.29 : x
  2. Step 2: Convert to fraction form
    12,461.09/17,183.14 = 9,269.29/x
  3. Step 3: Cross multiply
    12,461.09x = 17,183.14 × 9,269.29
  4. Step 4: Simplify right side
    12,461.09x = 159,275,409.42
  5. Step 5: Solve for x
    x = 159,275,409.42/12,461.09
  6. Step 6: Final answer
    x = 12,781.82

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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.