Home / 12,411.03-18,616.29-4,091.54

Finding the Fourth Proportional to 12,411.03, 18,616.29 and 4,091.54

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Solution

The fourth proportional to 12,411.03, 18,616.29 and 4,091.54 is: 6,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411.03 : 18,616.29 = 4,091.54 : x
  2. Step 2: Convert to fraction form
    12,411.03/18,616.29 = 4,091.54/x
  3. Step 3: Cross multiply
    12,411.03x = 18,616.29 × 4,091.54
  4. Step 4: Simplify right side
    12,411.03x = 76,169,295.19
  5. Step 5: Solve for x
    x = 76,169,295.19/12,411.03
  6. Step 6: Final answer
    x = 6,137.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.