Home / 8,032.71-12,047.83-2,189.77

Finding the Fourth Proportional to 8,032.71, 12,047.83 and 2,189.77

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Solution

The fourth proportional to 8,032.71, 12,047.83 and 2,189.77 is: 3,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,032.71 : 12,047.83 = 2,189.77 : x
  2. Step 2: Convert to fraction form
    8,032.71/12,047.83 = 2,189.77/x
  3. Step 3: Cross multiply
    8,032.71x = 12,047.83 × 2,189.77
  4. Step 4: Simplify right side
    8,032.71x = 26,381,976.70
  5. Step 5: Solve for x
    x = 26,381,976.70/8,032.71
  6. Step 6: Final answer
    x = 3,284.32

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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.