Home / 11,982.32-16,536.66-7,269.20

Finding the Fourth Proportional to 11,982.32, 16,536.66 and 7,269.20

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Solution

The fourth proportional to 11,982.32, 16,536.66 and 7,269.20 is: 10,032.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.32 : 16,536.66 = 7,269.20 : x
  2. Step 2: Convert to fraction form
    11,982.32/16,536.66 = 7,269.20/x
  3. Step 3: Cross multiply
    11,982.32x = 16,536.66 × 7,269.20
  4. Step 4: Simplify right side
    11,982.32x = 120,208,288.87
  5. Step 5: Solve for x
    x = 120,208,288.87/11,982.32
  6. Step 6: Final answer
    x = 10,032.14

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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.