Home / 11,634.11-16,055.24-7,155.21

Finding the Fourth Proportional to 11,634.11, 16,055.24 and 7,155.21

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Solution

The fourth proportional to 11,634.11, 16,055.24 and 7,155.21 is: 9,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,634.11 : 16,055.24 = 7,155.21 : x
  2. Step 2: Convert to fraction form
    11,634.11/16,055.24 = 7,155.21/x
  3. Step 3: Cross multiply
    11,634.11x = 16,055.24 × 7,155.21
  4. Step 4: Simplify right side
    11,634.11x = 114,878,578.02
  5. Step 5: Solve for x
    x = 114,878,578.02/11,634.11
  6. Step 6: Final answer
    x = 9,874.29

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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.