Home / 8,053.87-12,079.51-2,209.12

Finding the Fourth Proportional to 8,053.87, 12,079.51 and 2,209.12

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Solution

The fourth proportional to 8,053.87, 12,079.51 and 2,209.12 is: 3,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.87 : 12,079.51 = 2,209.12 : x
  2. Step 2: Convert to fraction form
    8,053.87/12,079.51 = 2,209.12/x
  3. Step 3: Cross multiply
    8,053.87x = 12,079.51 × 2,209.12
  4. Step 4: Simplify right side
    8,053.87x = 26,685,087.13
  5. Step 5: Solve for x
    x = 26,685,087.13/8,053.87
  6. Step 6: Final answer
    x = 3,313.32

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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.