Home / 28,854.12-43,277.94-8,079.24

Finding the Fourth Proportional to 28,854.12, 43,277.94 and 8,079.24

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Solution

The fourth proportional to 28,854.12, 43,277.94 and 8,079.24 is: 12,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.12 : 43,277.94 = 8,079.24 : x
  2. Step 2: Convert to fraction form
    28,854.12/43,277.94 = 8,079.24/x
  3. Step 3: Cross multiply
    28,854.12x = 43,277.94 × 8,079.24
  4. Step 4: Simplify right side
    28,854.12x = 349,652,863.97
  5. Step 5: Solve for x
    x = 349,652,863.97/28,854.12
  6. Step 6: Final answer
    x = 12,117.95

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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.