Home / 8,623.95-12,935.83-6,080.57

Finding the Fourth Proportional to 8,623.95, 12,935.83 and 6,080.57

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Solution

The fourth proportional to 8,623.95, 12,935.83 and 6,080.57 is: 9,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.95 : 12,935.83 = 6,080.57 : x
  2. Step 2: Convert to fraction form
    8,623.95/12,935.83 = 6,080.57/x
  3. Step 3: Cross multiply
    8,623.95x = 12,935.83 × 6,080.57
  4. Step 4: Simplify right side
    8,623.95x = 78,657,189.42
  5. Step 5: Solve for x
    x = 78,657,189.42/8,623.95
  6. Step 6: Final answer
    x = 9,120.78

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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.