Home / 11,582.09-15,983.21-6,276.90

Finding the Fourth Proportional to 11,582.09, 15,983.21 and 6,276.90

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Solution

The fourth proportional to 11,582.09, 15,983.21 and 6,276.90 is: 8,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.09 : 15,983.21 = 6,276.90 : x
  2. Step 2: Convert to fraction form
    11,582.09/15,983.21 = 6,276.90/x
  3. Step 3: Cross multiply
    11,582.09x = 15,983.21 × 6,276.90
  4. Step 4: Simplify right side
    11,582.09x = 100,325,026.54
  5. Step 5: Solve for x
    x = 100,325,026.54/11,582.09
  6. Step 6: Final answer
    x = 8,662.09

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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.