Home / 8,928.15-12,295.85-8,734.44

Finding the Fourth Proportional to 8,928.15, 12,295.85 and 8,734.44

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Solution

The fourth proportional to 8,928.15, 12,295.85 and 8,734.44 is: 12,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.15 : 12,295.85 = 8,734.44 : x
  2. Step 2: Convert to fraction form
    8,928.15/12,295.85 = 8,734.44/x
  3. Step 3: Cross multiply
    8,928.15x = 12,295.85 × 8,734.44
  4. Step 4: Simplify right side
    8,928.15x = 107,397,364.07
  5. Step 5: Solve for x
    x = 107,397,364.07/8,928.15
  6. Step 6: Final answer
    x = 12,029.07

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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.